/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:41:38,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:41:38,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:41:38,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:41:38,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:41:38,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:41:38,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:41:38,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:41:38,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:41:38,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:41:38,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:41:38,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:41:38,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:41:38,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:41:38,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:41:38,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:41:38,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:41:38,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:41:38,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:41:38,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:41:38,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:41:38,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:41:38,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:41:38,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:41:38,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:41:38,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:41:38,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:41:38,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:41:38,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:41:38,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:41:38,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:41:38,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:41:38,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:41:38,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:41:38,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:41:38,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:41:38,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:41:38,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:41:38,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:41:38,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:41:38,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:41:38,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:41:38,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:41:38,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:41:38,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:41:38,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:41:38,590 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:41:38,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:41:38,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:41:38,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:41:38,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:41:38,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:41:38,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:41:38,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:41:38,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:41:38,592 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:41:38,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:41:38,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:41:38,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:41:38,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:41:38,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:41:38,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:41:38,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:41:38,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:38,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:41:38,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:41:38,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:41:38,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:41:38,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:41:38,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:41:38,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:41:38,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:41:38,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:41:38,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:41:38,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:41:38,922 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:41:38,923 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:41:38,923 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-07 10:41:38,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4683ea6cf/6d50d5cec9e943b4a77878e8312b975f/FLAGfec7d4009 [2020-07-07 10:41:39,444 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:41:39,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-07 10:41:39,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4683ea6cf/6d50d5cec9e943b4a77878e8312b975f/FLAGfec7d4009 [2020-07-07 10:41:39,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4683ea6cf/6d50d5cec9e943b4a77878e8312b975f [2020-07-07 10:41:39,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:41:39,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:41:39,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:39,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:41:39,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:41:39,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:39" (1/1) ... [2020-07-07 10:41:39,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1706c328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:39, skipping insertion in model container [2020-07-07 10:41:39,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:39" (1/1) ... [2020-07-07 10:41:39,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:41:39,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:41:40,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:40,303 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:41:40,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:40,420 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:41:40,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40 WrapperNode [2020-07-07 10:41:40,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:40,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:41:40,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:41:40,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:41:40,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (1/1) ... [2020-07-07 10:41:40,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:41:40,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:41:40,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:41:40,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:41:40,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (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 [2020-07-07 10:41:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:41:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:41:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:41:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:41:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:41:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:41:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:41:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:41:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:41:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:41:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:41:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:41:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:41:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:41:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:41:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:41:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:41:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:41:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:41:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:41:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:41:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:41:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:41:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:41:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:41:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:41:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:41:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:41:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:41:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:41:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:41:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:41:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:41:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:41:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:41:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:41:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:41:41,597 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:41:41,598 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:41:41,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:41 BoogieIcfgContainer [2020-07-07 10:41:41,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:41:41,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:41:41,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:41:41,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:41:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:41:39" (1/3) ... [2020-07-07 10:41:41,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb53a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:41, skipping insertion in model container [2020-07-07 10:41:41,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:40" (2/3) ... [2020-07-07 10:41:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb53a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:41, skipping insertion in model container [2020-07-07 10:41:41,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:41" (3/3) ... [2020-07-07 10:41:41,611 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-07-07 10:41:41,621 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:41:41,629 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:41:41,642 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:41:41,666 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:41:41,666 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:41:41,666 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:41:41,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:41:41,667 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:41:41,667 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:41:41,667 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:41:41,667 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:41:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-07-07 10:41:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:41:41,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:41,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:41,700 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:41,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:41,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1720198034, now seen corresponding path program 1 times [2020-07-07 10:41:41,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:41,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82480889] [2020-07-07 10:41:41,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,393 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:42,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82480889] [2020-07-07 10:41:42,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:42,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:41:42,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393961316] [2020-07-07 10:41:42,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:41:42,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:42,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:41:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:42,579 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 4 states. [2020-07-07 10:41:43,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:43,592 INFO L93 Difference]: Finished difference Result 258 states and 340 transitions. [2020-07-07 10:41:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:41:43,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:41:43,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:43,608 INFO L225 Difference]: With dead ends: 258 [2020-07-07 10:41:43,608 INFO L226 Difference]: Without dead ends: 145 [2020-07-07 10:41:43,613 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 [2020-07-07 10:41:43,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-07-07 10:41:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2020-07-07 10:41:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:41:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-07 10:41:43,695 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 51 [2020-07-07 10:41:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:43,696 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-07 10:41:43,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:41:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-07 10:41:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:41:43,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:43,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:43,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:41:43,700 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:43,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:43,700 INFO L82 PathProgramCache]: Analyzing trace with hash 220132220, now seen corresponding path program 1 times [2020-07-07 10:41:43,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:43,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839316581] [2020-07-07 10:41:43,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,026 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:44,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839316581] [2020-07-07 10:41:44,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:44,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:41:44,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602255311] [2020-07-07 10:41:44,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:41:44,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:44,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:41:44,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:41:44,085 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 5 states. [2020-07-07 10:41:44,528 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:45,219 INFO L93 Difference]: Finished difference Result 199 states and 247 transitions. [2020-07-07 10:41:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:41:45,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:41:45,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:45,224 INFO L225 Difference]: With dead ends: 199 [2020-07-07 10:41:45,224 INFO L226 Difference]: Without dead ends: 135 [2020-07-07 10:41:45,225 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 [2020-07-07 10:41:45,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-07 10:41:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-07 10:41:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-07 10:41:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-07 10:41:45,260 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 52 [2020-07-07 10:41:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:45,261 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-07 10:41:45,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:41:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-07 10:41:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:41:45,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:45,263 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] [2020-07-07 10:41:45,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:41:45,264 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:45,264 INFO L82 PathProgramCache]: Analyzing trace with hash 889380391, now seen corresponding path program 1 times [2020-07-07 10:41:45,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:45,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996236152] [2020-07-07 10:41:45,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,583 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:45,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996236152] [2020-07-07 10:41:45,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:45,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:45,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41661948] [2020-07-07 10:41:45,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:45,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:45,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:45,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:45,694 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 9 states. [2020-07-07 10:41:46,120 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:46,423 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:41:46,664 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:46,890 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:47,890 INFO L93 Difference]: Finished difference Result 212 states and 266 transitions. [2020-07-07 10:41:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:41:47,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:41:47,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:47,894 INFO L225 Difference]: With dead ends: 212 [2020-07-07 10:41:47,894 INFO L226 Difference]: Without dead ends: 135 [2020-07-07 10:41:47,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:41:47,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-07 10:41:47,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-07 10:41:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-07 10:41:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2020-07-07 10:41:47,928 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 57 [2020-07-07 10:41:47,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:47,928 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2020-07-07 10:41:47,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:41:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2020-07-07 10:41:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:41:47,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:47,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:47,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:41:47,931 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:47,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:47,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1390934310, now seen corresponding path program 1 times [2020-07-07 10:41:47,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:47,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194671844] [2020-07-07 10:41:47,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,242 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:48,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194671844] [2020-07-07 10:41:48,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:48,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:41:48,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851065785] [2020-07-07 10:41:48,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:41:48,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:48,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:41:48,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:41:48,376 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2020-07-07 10:41:48,695 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:49,825 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:50,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:50,291 INFO L93 Difference]: Finished difference Result 302 states and 382 transitions. [2020-07-07 10:41:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:41:50,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-07-07 10:41:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:50,295 INFO L225 Difference]: With dead ends: 302 [2020-07-07 10:41:50,295 INFO L226 Difference]: Without dead ends: 225 [2020-07-07 10:41:50,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:41:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-07 10:41:50,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 176. [2020-07-07 10:41:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-07 10:41:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 203 transitions. [2020-07-07 10:41:50,370 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 203 transitions. Word has length 65 [2020-07-07 10:41:50,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:50,371 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 203 transitions. [2020-07-07 10:41:50,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:41:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 203 transitions. [2020-07-07 10:41:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:41:50,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:50,397 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] [2020-07-07 10:41:50,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:41:50,397 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:50,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:50,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1075030192, now seen corresponding path program 1 times [2020-07-07 10:41:50,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:50,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021670299] [2020-07-07 10:41:50,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,665 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:50,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021670299] [2020-07-07 10:41:50,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:50,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:41:50,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828469461] [2020-07-07 10:41:50,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:41:50,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:50,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:41:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:41:50,797 INFO L87 Difference]: Start difference. First operand 176 states and 203 transitions. Second operand 11 states. [2020-07-07 10:41:51,433 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:51,667 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:51,904 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:52,521 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:52,765 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:53,029 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:53,773 INFO L93 Difference]: Finished difference Result 374 states and 471 transitions. [2020-07-07 10:41:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:41:53,776 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-07 10:41:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:53,779 INFO L225 Difference]: With dead ends: 374 [2020-07-07 10:41:53,779 INFO L226 Difference]: Without dead ends: 226 [2020-07-07 10:41:53,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:41:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-07 10:41:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 180. [2020-07-07 10:41:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-07 10:41:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2020-07-07 10:41:53,824 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 79 [2020-07-07 10:41:53,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:53,824 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2020-07-07 10:41:53,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:41:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2020-07-07 10:41:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:41:53,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:53,826 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] [2020-07-07 10:41:53,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:41:53,827 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:53,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:53,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1584503282, now seen corresponding path program 1 times [2020-07-07 10:41:53,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:53,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060885992] [2020-07-07 10:41:53,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,102 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:54,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060885992] [2020-07-07 10:41:54,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:54,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:54,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845117673] [2020-07-07 10:41:54,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:54,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:54,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:54,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:54,256 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand 9 states. [2020-07-07 10:41:54,723 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:55,751 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:56,036 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:56,265 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:56,478 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:57,333 INFO L93 Difference]: Finished difference Result 536 states and 682 transitions. [2020-07-07 10:41:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:41:57,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-07-07 10:41:57,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:57,343 INFO L225 Difference]: With dead ends: 536 [2020-07-07 10:41:57,343 INFO L226 Difference]: Without dead ends: 384 [2020-07-07 10:41:57,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:41:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-07-07 10:41:57,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 308. [2020-07-07 10:41:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-07 10:41:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 354 transitions. [2020-07-07 10:41:57,425 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 354 transitions. Word has length 79 [2020-07-07 10:41:57,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:57,425 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 354 transitions. [2020-07-07 10:41:57,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:41:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 354 transitions. [2020-07-07 10:41:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:41:57,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:57,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:57,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:41:57,427 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:57,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:57,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1898506966, now seen corresponding path program 1 times [2020-07-07 10:41:57,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:57,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460106095] [2020-07-07 10:41:57,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,684 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:57,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460106095] [2020-07-07 10:41:57,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:57,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:41:57,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783914841] [2020-07-07 10:41:57,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:41:57,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:57,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:41:57,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:41:57,839 INFO L87 Difference]: Start difference. First operand 308 states and 354 transitions. Second operand 10 states. [2020-07-07 10:41:58,294 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:59,350 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,567 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:59,808 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:00,078 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:00,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:00,768 INFO L93 Difference]: Finished difference Result 702 states and 877 transitions. [2020-07-07 10:42:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:42:00,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-07-07 10:42:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:00,773 INFO L225 Difference]: With dead ends: 702 [2020-07-07 10:42:00,773 INFO L226 Difference]: Without dead ends: 422 [2020-07-07 10:42:00,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-07 10:42:00,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 307. [2020-07-07 10:42:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-07-07 10:42:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 351 transitions. [2020-07-07 10:42:00,839 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 351 transitions. Word has length 83 [2020-07-07 10:42:00,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:00,840 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 351 transitions. [2020-07-07 10:42:00,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 351 transitions. [2020-07-07 10:42:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:00,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:00,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:00,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:00,842 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:00,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:00,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1613023294, now seen corresponding path program 1 times [2020-07-07 10:42:00,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:00,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097286972] [2020-07-07 10:42:00,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,060 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:01,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097286972] [2020-07-07 10:42:01,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:01,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:01,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434265047] [2020-07-07 10:42:01,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:01,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:01,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:01,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:01,178 INFO L87 Difference]: Start difference. First operand 307 states and 351 transitions. Second operand 10 states. [2020-07-07 10:42:02,357 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:02,581 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:42:02,812 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:03,046 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:03,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:03,772 INFO L93 Difference]: Finished difference Result 705 states and 887 transitions. [2020-07-07 10:42:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:03,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-07-07 10:42:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:03,777 INFO L225 Difference]: With dead ends: 705 [2020-07-07 10:42:03,777 INFO L226 Difference]: Without dead ends: 426 [2020-07-07 10:42:03,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:03,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-07-07 10:42:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 317. [2020-07-07 10:42:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-07 10:42:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 361 transitions. [2020-07-07 10:42:03,874 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 361 transitions. Word has length 84 [2020-07-07 10:42:03,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:03,875 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 361 transitions. [2020-07-07 10:42:03,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 361 transitions. [2020-07-07 10:42:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:03,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:03,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:03,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:03,879 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:03,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1884470469, now seen corresponding path program 1 times [2020-07-07 10:42:03,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:03,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498950033] [2020-07-07 10:42:03,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,124 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:04,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498950033] [2020-07-07 10:42:04,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:04,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:04,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917149350] [2020-07-07 10:42:04,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:04,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:04,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:04,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:04,248 INFO L87 Difference]: Start difference. First operand 317 states and 361 transitions. Second operand 8 states. [2020-07-07 10:42:04,680 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:05,207 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:07,360 INFO L93 Difference]: Finished difference Result 1041 states and 1366 transitions. [2020-07-07 10:42:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:42:07,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-07 10:42:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:07,366 INFO L225 Difference]: With dead ends: 1041 [2020-07-07 10:42:07,367 INFO L226 Difference]: Without dead ends: 752 [2020-07-07 10:42:07,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:42:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-07-07 10:42:07,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 607. [2020-07-07 10:42:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-07 10:42:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 713 transitions. [2020-07-07 10:42:07,512 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 713 transitions. Word has length 84 [2020-07-07 10:42:07,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:07,515 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 713 transitions. [2020-07-07 10:42:07,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 713 transitions. [2020-07-07 10:42:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:07,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:07,518 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] [2020-07-07 10:42:07,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:07,519 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:07,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:07,519 INFO L82 PathProgramCache]: Analyzing trace with hash 713728159, now seen corresponding path program 1 times [2020-07-07 10:42:07,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:07,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131466728] [2020-07-07 10:42:07,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,770 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:07,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131466728] [2020-07-07 10:42:07,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:07,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:07,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106184910] [2020-07-07 10:42:07,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:07,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:07,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:07,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:07,917 INFO L87 Difference]: Start difference. First operand 607 states and 713 transitions. Second operand 8 states. [2020-07-07 10:42:08,541 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:10,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:10,568 INFO L93 Difference]: Finished difference Result 1199 states and 1564 transitions. [2020-07-07 10:42:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:10,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-07 10:42:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:10,579 INFO L225 Difference]: With dead ends: 1199 [2020-07-07 10:42:10,579 INFO L226 Difference]: Without dead ends: 1196 [2020-07-07 10:42:10,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:10,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-07-07 10:42:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 975. [2020-07-07 10:42:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-07-07 10:42:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1154 transitions. [2020-07-07 10:42:10,762 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1154 transitions. Word has length 88 [2020-07-07 10:42:10,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:10,762 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1154 transitions. [2020-07-07 10:42:10,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1154 transitions. [2020-07-07 10:42:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-07 10:42:10,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:10,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:10,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:10,766 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:10,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:10,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1128183326, now seen corresponding path program 1 times [2020-07-07 10:42:10,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:10,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228700202] [2020-07-07 10:42:10,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:11,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:42:11,136 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:42:11,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 10:42:11,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:42:11 BoogieIcfgContainer [2020-07-07 10:42:11,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:42:11,453 INFO L168 Benchmark]: Toolchain (without parser) took 31634.16 ms. Allocated memory was 147.3 MB in the beginning and 581.4 MB in the end (delta: 434.1 MB). Free memory was 103.7 MB in the beginning and 497.3 MB in the end (delta: -393.5 MB). Peak memory consumption was 434.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,453 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.34 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.5 MB in the beginning and 175.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,461 INFO L168 Benchmark]: Boogie Preprocessor took 89.94 ms. Allocated memory is still 205.5 MB. Free memory was 175.3 MB in the beginning and 171.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,462 INFO L168 Benchmark]: RCFGBuilder took 1090.73 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 171.3 MB in the beginning and 194.4 MB in the end (delta: -23.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,464 INFO L168 Benchmark]: TraceAbstraction took 29843.65 ms. Allocated memory was 234.4 MB in the beginning and 581.4 MB in the end (delta: 347.1 MB). Free memory was 194.4 MB in the beginning and 497.3 MB in the end (delta: -302.9 MB). Peak memory consumption was 438.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:11,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.34 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.5 MB in the beginning and 175.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.94 ms. Allocated memory is still 205.5 MB. Free memory was 175.3 MB in the beginning and 171.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1090.73 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 171.3 MB in the beginning and 194.4 MB in the end (delta: -23.1 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29843.65 ms. Allocated memory was 234.4 MB in the beginning and 581.4 MB in the end (delta: 347.1 MB). Free memory was 194.4 MB in the beginning and 497.3 MB in the end (delta: -302.9 MB). Peak memory consumption was 438.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L718] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L728] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=-3, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L806] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L787] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=-3, tmp___2=0, waterLevel=2] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=-3, tmp___2=0, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=-3, tmp___2=0, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___1=-3, tmp___2=0, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-3, tmp___2=0, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-4, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=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 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1017 SDtfs, 2600 SDslu, 1183 SDs, 0 SdLazy, 5169 SolverSat, 1897 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=975occurred 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 852 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 853 NumberOfCodeBlocks, 853 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 224522 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...