/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:59:50,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:59:50,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:59:50,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:59:50,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:59:50,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:59:50,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:59:50,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:59:50,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:59:50,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:59:50,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:59:50,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:59:50,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:59:50,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:59:50,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:59:50,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:59:50,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:59:50,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:59:50,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:59:50,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:59:50,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:59:50,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:59:50,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:59:50,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:59:50,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:59:50,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:59:50,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:59:50,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:59:50,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:59:50,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:59:50,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:59:50,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:59:50,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:59:50,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:59:50,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:59:50,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:59:50,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:59:50,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:59:50,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:59:50,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:59:50,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:59:50,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:59:50,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:59:50,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:59:50,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:59:50,505 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:59:50,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:59:50,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:59:50,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:59:50,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:59:50,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:59:50,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:59:50,507 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:59:50,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:59:50,507 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:59:50,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:59:50,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:59:50,508 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:59:50,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:59:50,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:59:50,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:59:50,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:59:50,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:59:50,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:59:50,509 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 20:59:50,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:59:50,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:59:50,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:59:50,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:59:50,996 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:59:50,997 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-04 20:59:51,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29c6076f3/61cb2047f0a2425bbdfb41645a7b5995/FLAG67a04f6c1 [2020-09-04 20:59:51,708 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:59:51,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-04 20:59:51,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29c6076f3/61cb2047f0a2425bbdfb41645a7b5995/FLAG67a04f6c1 [2020-09-04 20:59:51,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29c6076f3/61cb2047f0a2425bbdfb41645a7b5995 [2020-09-04 20:59:51,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:59:51,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:59:51,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:59:51,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:59:52,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:59:52,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:59:51" (1/1) ... [2020-09-04 20:59:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52, skipping insertion in model container [2020-09-04 20:59:52,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:59:51" (1/1) ... [2020-09-04 20:59:52,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:59:52,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:59:52,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:59:52,440 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:59:52,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:59:52,718 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:59:52,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52 WrapperNode [2020-09-04 20:59:52,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:59:52,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:59:52,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:59:52,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:59:52,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... [2020-09-04 20:59:52,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:59:52,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:59:52,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:59:52,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:59:52,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:59:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:59:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:59:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:59:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-04 20:59:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:59:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:59:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:59:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:59:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:59:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:59:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:59:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:59:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:59:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:59:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:59:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:59:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:59:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:59:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:59:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:59:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:59:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:59:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:59:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:59:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:59:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:59:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:59:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:59:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:59:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:59:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:59:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:59:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:59:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:59:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:59:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:59:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:59:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:59:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:59:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:59:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:59:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-04 20:59:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:59:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:59:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:59:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:59:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:59:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:59:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:59:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:59:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:59:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:59:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:59:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:59:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:59:54,111 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:59:54,111 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:59:54,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:59:54 BoogieIcfgContainer [2020-09-04 20:59:54,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:59:54,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:59:54,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:59:54,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:59:54,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:59:51" (1/3) ... [2020-09-04 20:59:54,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0d7b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:59:54, skipping insertion in model container [2020-09-04 20:59:54,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:59:52" (2/3) ... [2020-09-04 20:59:54,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0d7b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:59:54, skipping insertion in model container [2020-09-04 20:59:54,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:59:54" (3/3) ... [2020-09-04 20:59:54,135 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-09-04 20:59:54,148 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:59:54,163 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:59:54,188 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:59:54,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:59:54,224 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:59:54,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:59:54,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:59:54,225 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:59:54,225 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:59:54,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:59:54,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:59:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-04 20:59:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-04 20:59:54,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:59:54,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:59:54,298 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:59:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:59:54,307 INFO L82 PathProgramCache]: Analyzing trace with hash 944307102, now seen corresponding path program 1 times [2020-09-04 20:59:54,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:59:54,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014507699] [2020-09-04 20:59:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:59:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,086 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:59:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:59:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:59:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:59:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:59:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:59:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:59:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:59:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:59:55,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014507699] [2020-09-04 20:59:55,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:59:55,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:59:55,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918213023] [2020-09-04 20:59:55,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:59:55,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:59:55,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:59:55,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:59:55,308 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 3 states. [2020-09-04 20:59:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:59:56,762 INFO L93 Difference]: Finished difference Result 494 states and 582 transitions. [2020-09-04 20:59:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:59:56,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-04 20:59:56,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:59:56,806 INFO L225 Difference]: With dead ends: 494 [2020-09-04 20:59:56,806 INFO L226 Difference]: Without dead ends: 306 [2020-09-04 20:59:56,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:59:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-04 20:59:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-04 20:59:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 20:59:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-04 20:59:56,954 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 142 [2020-09-04 20:59:56,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:59:56,955 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-04 20:59:56,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:59:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-04 20:59:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 20:59:56,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:59:56,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:59:56,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:59:56,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:59:56,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:59:56,961 INFO L82 PathProgramCache]: Analyzing trace with hash 990794439, now seen corresponding path program 1 times [2020-09-04 20:59:56,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:59:56,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936917007] [2020-09-04 20:59:56,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:59:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,504 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:59:57,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:59:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:59:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:59:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:59:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:59:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:59:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:59:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:59:57,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936917007] [2020-09-04 20:59:57,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:59:57,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:59:57,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512906177] [2020-09-04 20:59:57,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:59:57,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:59:57,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:59:57,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:59:57,592 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 4 states. [2020-09-04 20:59:58,322 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:59:59,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:59:59,413 INFO L93 Difference]: Finished difference Result 398 states and 443 transitions. [2020-09-04 20:59:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:59:59,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-04 20:59:59,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:59:59,420 INFO L225 Difference]: With dead ends: 398 [2020-09-04 20:59:59,420 INFO L226 Difference]: Without dead ends: 289 [2020-09-04 20:59:59,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:59:59,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-04 20:59:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 252. [2020-09-04 20:59:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-09-04 20:59:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 269 transitions. [2020-09-04 20:59:59,543 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 269 transitions. Word has length 143 [2020-09-04 20:59:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:59:59,544 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 269 transitions. [2020-09-04 20:59:59,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:59:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2020-09-04 20:59:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-04 20:59:59,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:59:59,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:59:59,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:59:59,547 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:59:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:59:59,548 INFO L82 PathProgramCache]: Analyzing trace with hash -844663911, now seen corresponding path program 1 times [2020-09-04 20:59:59,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:59:59,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115959938] [2020-09-04 20:59:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:59:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:59,923 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:59:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:59:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:59:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:59:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:59:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:00,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:00,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 21:00:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:00:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:00,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:00:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:00:00,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115959938] [2020-09-04 21:00:00,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:00:00,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:00:00,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997677213] [2020-09-04 21:00:00,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:00:00,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:00:00,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:00:00,136 INFO L87 Difference]: Start difference. First operand 252 states and 269 transitions. Second operand 10 states. [2020-09-04 21:00:00,871 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:01,350 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:01,637 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:00:01,882 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:02,207 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:02,507 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:03,487 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:05,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:05,984 INFO L93 Difference]: Finished difference Result 691 states and 795 transitions. [2020-09-04 21:00:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:00:05,985 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-09-04 21:00:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:05,990 INFO L225 Difference]: With dead ends: 691 [2020-09-04 21:00:05,990 INFO L226 Difference]: Without dead ends: 549 [2020-09-04 21:00:05,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:00:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-04 21:00:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 442. [2020-09-04 21:00:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-09-04 21:00:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 486 transitions. [2020-09-04 21:00:06,151 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 486 transitions. Word has length 156 [2020-09-04 21:00:06,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:06,152 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 486 transitions. [2020-09-04 21:00:06,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:00:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 486 transitions. [2020-09-04 21:00:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:00:06,155 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:06,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:06,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:00:06,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:06,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1137144832, now seen corresponding path program 1 times [2020-09-04 21:00:06,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:06,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141177173] [2020-09-04 21:00:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,600 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:06,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 21:00:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:00:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:00:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:00:06,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141177173] [2020-09-04 21:00:06,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:00:06,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:00:06,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746051179] [2020-09-04 21:00:06,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:00:06,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:00:06,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:00:06,826 INFO L87 Difference]: Start difference. First operand 442 states and 486 transitions. Second operand 14 states. [2020-09-04 21:00:07,363 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:07,779 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:08,083 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:08,414 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:08,759 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:09,055 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:09,807 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:11,059 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:11,395 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:11,868 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:12,234 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:12,530 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:12,828 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:00:13,174 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:13,478 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:13,776 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:14,172 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:14,594 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:00:14,920 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:15,322 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:17,816 INFO L93 Difference]: Finished difference Result 1524 states and 1873 transitions. [2020-09-04 21:00:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:00:17,816 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-09-04 21:00:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:17,826 INFO L225 Difference]: With dead ends: 1524 [2020-09-04 21:00:17,826 INFO L226 Difference]: Without dead ends: 1192 [2020-09-04 21:00:17,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 21:00:17,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-09-04 21:00:18,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1053. [2020-09-04 21:00:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-09-04 21:00:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1211 transitions. [2020-09-04 21:00:18,202 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1211 transitions. Word has length 161 [2020-09-04 21:00:18,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:18,203 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 1211 transitions. [2020-09-04 21:00:18,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:00:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1211 transitions. [2020-09-04 21:00:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 21:00:18,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:18,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:18,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:00:18,208 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:18,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1039475204, now seen corresponding path program 1 times [2020-09-04 21:00:18,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:18,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772446746] [2020-09-04 21:00:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,568 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 21:00:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:00:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:00:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 21:00:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:00:18,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772446746] [2020-09-04 21:00:18,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:00:18,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 21:00:18,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450762833] [2020-09-04 21:00:18,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 21:00:18,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:18,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 21:00:18,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 21:00:18,742 INFO L87 Difference]: Start difference. First operand 1053 states and 1211 transitions. Second operand 6 states. [2020-09-04 21:00:19,222 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:21,287 INFO L93 Difference]: Finished difference Result 2464 states and 2978 transitions. [2020-09-04 21:00:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 21:00:21,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-04 21:00:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:21,312 INFO L225 Difference]: With dead ends: 2464 [2020-09-04 21:00:21,313 INFO L226 Difference]: Without dead ends: 1521 [2020-09-04 21:00:21,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:00:21,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2020-09-04 21:00:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1418. [2020-09-04 21:00:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2020-09-04 21:00:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1642 transitions. [2020-09-04 21:00:21,763 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1642 transitions. Word has length 166 [2020-09-04 21:00:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:21,764 INFO L479 AbstractCegarLoop]: Abstraction has 1418 states and 1642 transitions. [2020-09-04 21:00:21,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 21:00:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1642 transitions. [2020-09-04 21:00:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-04 21:00:21,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:21,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:21,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:00:21,781 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:21,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:21,782 INFO L82 PathProgramCache]: Analyzing trace with hash -39352853, now seen corresponding path program 1 times [2020-09-04 21:00:21,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:21,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25369205] [2020-09-04 21:00:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,287 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:22,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-04 21:00:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:00:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:00:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 21:00:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 21:00:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-04 21:00:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-04 21:00:22,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25369205] [2020-09-04 21:00:22,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:00:22,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 21:00:22,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000298654] [2020-09-04 21:00:22,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:00:22,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:22,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:00:22,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:00:22,525 INFO L87 Difference]: Start difference. First operand 1418 states and 1642 transitions. Second operand 11 states. [2020-09-04 21:00:23,060 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:25,498 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:25,811 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:26,161 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:26,487 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:26,791 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:27,787 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:28,079 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:28,420 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:29,039 INFO L93 Difference]: Finished difference Result 1602 states and 1908 transitions. [2020-09-04 21:00:29,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 21:00:29,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-09-04 21:00:29,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:29,055 INFO L225 Difference]: With dead ends: 1602 [2020-09-04 21:00:29,055 INFO L226 Difference]: Without dead ends: 1599 [2020-09-04 21:00:29,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:00:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2020-09-04 21:00:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1427. [2020-09-04 21:00:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1427 states. [2020-09-04 21:00:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 1648 transitions. [2020-09-04 21:00:29,757 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 1648 transitions. Word has length 209 [2020-09-04 21:00:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:29,758 INFO L479 AbstractCegarLoop]: Abstraction has 1427 states and 1648 transitions. [2020-09-04 21:00:29,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:00:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1648 transitions. [2020-09-04 21:00:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-04 21:00:29,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:29,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:29,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:00:29,772 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:29,773 INFO L82 PathProgramCache]: Analyzing trace with hash 63773648, now seen corresponding path program 1 times [2020-09-04 21:00:29,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:29,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970145586] [2020-09-04 21:00:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,199 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-04 21:00:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:00:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:00:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:00:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:00:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:00:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:00:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:00:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-04 21:00:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-04 21:00:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:00:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-04 21:00:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 21:00:30,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970145586] [2020-09-04 21:00:30,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:00:30,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 21:00:30,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199213822] [2020-09-04 21:00:30,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:00:30,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:30,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:00:30,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:00:30,763 INFO L87 Difference]: Start difference. First operand 1427 states and 1648 transitions. Second operand 15 states. [2020-09-04 21:00:31,359 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:32,272 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:33,605 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:33,960 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:00:34,336 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:00:34,725 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:35,059 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:35,417 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:00:35,759 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:36,094 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:00:36,395 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:36,756 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:37,190 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:37,541 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:40,084 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:40,404 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:40,806 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:00:41,150 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:41,508 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:41,799 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:43,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:43,879 INFO L93 Difference]: Finished difference Result 3284 states and 4201 transitions. [2020-09-04 21:00:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-04 21:00:43,879 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 267 [2020-09-04 21:00:43,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:43,893 INFO L225 Difference]: With dead ends: 3284 [2020-09-04 21:00:43,893 INFO L226 Difference]: Without dead ends: 1967 [2020-09-04 21:00:43,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=527, Invalid=2229, Unknown=0, NotChecked=0, Total=2756 [2020-09-04 21:00:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2020-09-04 21:00:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1449. [2020-09-04 21:00:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-09-04 21:00:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1663 transitions. [2020-09-04 21:00:44,632 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1663 transitions. Word has length 267 [2020-09-04 21:00:44,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:44,633 INFO L479 AbstractCegarLoop]: Abstraction has 1449 states and 1663 transitions. [2020-09-04 21:00:44,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:00:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1663 transitions. [2020-09-04 21:00:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-09-04 21:00:44,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:44,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:44,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:00:44,642 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:44,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1895848680, now seen corresponding path program 1 times [2020-09-04 21:00:44,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:44,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422945094] [2020-09-04 21:00:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:44,985 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 21:00:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 21:00:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:00:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:00:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:00:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:00:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:00:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:00:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-04 21:00:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:00:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-04 21:00:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 21:00:45,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422945094] [2020-09-04 21:00:45,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:00:45,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 21:00:45,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104607670] [2020-09-04 21:00:45,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:00:45,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:45,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:00:45,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:00:45,390 INFO L87 Difference]: Start difference. First operand 1449 states and 1663 transitions. Second operand 15 states. [2020-09-04 21:00:46,022 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:46,344 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:46,642 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:46,941 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:47,294 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:48,325 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:48,624 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:48,942 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:49,290 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:49,588 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:00:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:00:51,432 INFO L93 Difference]: Finished difference Result 2743 states and 3293 transitions. [2020-09-04 21:00:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:00:51,432 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 262 [2020-09-04 21:00:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:00:51,441 INFO L225 Difference]: With dead ends: 2743 [2020-09-04 21:00:51,441 INFO L226 Difference]: Without dead ends: 1404 [2020-09-04 21:00:51,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:00:51,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2020-09-04 21:00:51,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1178. [2020-09-04 21:00:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2020-09-04 21:00:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1344 transitions. [2020-09-04 21:00:51,914 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1344 transitions. Word has length 262 [2020-09-04 21:00:51,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:00:51,914 INFO L479 AbstractCegarLoop]: Abstraction has 1178 states and 1344 transitions. [2020-09-04 21:00:51,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:00:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1344 transitions. [2020-09-04 21:00:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-04 21:00:51,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:00:51,923 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:00:51,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:00:51,924 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:00:51,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:00:51,924 INFO L82 PathProgramCache]: Analyzing trace with hash -472658643, now seen corresponding path program 1 times [2020-09-04 21:00:51,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:00:51,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208203540] [2020-09-04 21:00:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:00:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,316 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 21:00:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:00:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 21:00:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 21:00:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 21:00:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 21:00:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-04 21:00:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:00:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:00:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:00:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:00:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:00:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:00:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:00:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:00:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-04 21:00:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-04 21:00:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:00:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:00:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-04 21:00:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:00:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 21:00:52,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208203540] [2020-09-04 21:00:52,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:00:52,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-04 21:00:52,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58761642] [2020-09-04 21:00:52,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:00:52,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:00:52,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:00:52,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:00:52,600 INFO L87 Difference]: Start difference. First operand 1178 states and 1344 transitions. Second operand 14 states. [2020-09-04 21:00:53,134 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:53,953 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:00:54,859 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:55,182 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:55,538 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:55,855 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:56,153 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:56,453 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:00:56,742 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:00:57,082 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:57,438 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:00:57,742 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:00:59,901 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 21:01:00,201 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 21:01:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:01:01,592 INFO L93 Difference]: Finished difference Result 3022 states and 3796 transitions. [2020-09-04 21:01:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-04 21:01:01,593 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 267 [2020-09-04 21:01:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:01:01,606 INFO L225 Difference]: With dead ends: 3022 [2020-09-04 21:01:01,606 INFO L226 Difference]: Without dead ends: 2174 [2020-09-04 21:01:01,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 59 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2020-09-04 21:01:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2020-09-04 21:01:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1541. [2020-09-04 21:01:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2020-09-04 21:01:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1786 transitions. [2020-09-04 21:01:02,458 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1786 transitions. Word has length 267 [2020-09-04 21:01:02,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:01:02,459 INFO L479 AbstractCegarLoop]: Abstraction has 1541 states and 1786 transitions. [2020-09-04 21:01:02,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:01:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1786 transitions. [2020-09-04 21:01:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-09-04 21:01:02,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:01:02,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:01:02,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:01:02,471 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:01:02,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:01:02,472 INFO L82 PathProgramCache]: Analyzing trace with hash -593865687, now seen corresponding path program 2 times [2020-09-04 21:01:02,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:01:02,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582045563] [2020-09-04 21:01:02,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:01:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:01:02,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:01:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:01:02,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:01:03,040 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:01:03,040 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:01:03,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:01:03,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:01:03 BoogieIcfgContainer [2020-09-04 21:01:03,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:01:03,390 INFO L168 Benchmark]: Toolchain (without parser) took 71391.89 ms. Allocated memory was 139.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 101.3 MB in the beginning and 771.9 MB in the end (delta: -670.6 MB). Peak memory consumption was 470.2 MB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,394 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 139.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.65 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 174.0 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,397 INFO L168 Benchmark]: Boogie Preprocessor took 104.33 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,403 INFO L168 Benchmark]: RCFGBuilder took 1300.18 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 180.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,404 INFO L168 Benchmark]: TraceAbstraction took 69260.78 ms. Allocated memory was 237.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 179.1 MB in the beginning and 771.9 MB in the end (delta: -592.8 MB). Peak memory consumption was 450.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:01:03,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 139.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.65 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 174.0 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.33 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1300.18 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 180.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69260.78 ms. Allocated memory was 237.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 179.1 MB in the beginning and 771.9 MB in the end (delta: -592.8 MB). Peak memory consumption was 450.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 752]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=149, pumpRunning=140, systemActive=139, waterLevel=142] [L555] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=139, waterLevel=142] [L556] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=142] [L757] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=142] [L853] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L830] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L836] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L464] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L468] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L837] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L837] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L839] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L841] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L842] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L480] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L481] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L482] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L484] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L487] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L497] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L499] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L501] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L872] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L501] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L507] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L517] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L519] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L521] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L521] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L562] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L706] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L933] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L941] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L712] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L714] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L717] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L719] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L720] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L596] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L598] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L600] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L625] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L895] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L896] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L654] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L629] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L631] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L635] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L635] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L600] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L924] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L927] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L536] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L497] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L499] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L507] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L517] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L519] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L521] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L521] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L859] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L860] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L924] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L927] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L536] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L497] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L499] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L507] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L517] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L519] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L521] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L743] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L521] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L859] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L860] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L927] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L664] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L665] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L752] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 625 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 68.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 57.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2354 SDtfs, 6340 SDslu, 6149 SDs, 0 SdLazy, 13584 SolverSat, 2309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 298 SyntacticMatches, 6 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 28.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1541occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1979 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2091 NumberOfCodeBlocks, 2091 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1764 ConstructedInterpolants, 0 QuantifiedInterpolants, 875273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 147/156 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...