/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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:40:52,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:40:52,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:40:52,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:40:52,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:40:52,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:40:52,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:40:52,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:40:52,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:40:52,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:40:52,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:40:52,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:40:52,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:40:52,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:40:52,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:40:52,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:40:52,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:40:52,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:40:52,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:40:52,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:40:52,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:40:52,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:40:52,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:40:52,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:40:52,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:40:52,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:40:52,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:40:52,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:40:52,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:40:52,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:40:52,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:40:52,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:40:52,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:40:52,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:40:52,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:40:52,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:40:52,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:40:52,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:40:52,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:40:52,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:40:52,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:40:52,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:40:52,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:40:52,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:40:52,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:40:52,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:40:52,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:40:52,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:40:52,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:40:52,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:40:52,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:40:52,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:40:52,431 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:40:52,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:40:52,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:40:52,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:52,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:40:52,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:40:52,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:40:52,432 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:40:52,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:40:52,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:40:52,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:40:52,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:40:52,727 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:40:52,728 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-07-17 16:40:52,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae540ecf/9f9eb528d015439882e07d0a9a83967f/FLAGc13c0e54e [2020-07-17 16:40:53,228 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:40:53,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-07-17 16:40:53,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae540ecf/9f9eb528d015439882e07d0a9a83967f/FLAGc13c0e54e [2020-07-17 16:40:53,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ae540ecf/9f9eb528d015439882e07d0a9a83967f [2020-07-17 16:40:53,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:40:53,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:40:53,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:53,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:40:53,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:40:53,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:53" (1/1) ... [2020-07-17 16:40:53,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17da9069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:53, skipping insertion in model container [2020-07-17 16:40:53,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:53" (1/1) ... [2020-07-17 16:40:53,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:40:53,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:40:54,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:54,059 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:40:54,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:54,294 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:40:54,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54 WrapperNode [2020-07-17 16:40:54,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:54,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:40:54,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:40:54,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:40:54,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... [2020-07-17 16:40:54,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:40:54,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:40:54,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:40:54,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:40:54,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:40:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:40:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:40:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:40:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:40:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:40:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:40:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:40:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:40:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:40:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:40:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:40:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:40:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:40:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:40:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:40:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:40:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:40:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:40:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:40:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:40:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:40:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:40:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:40:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:40:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:40:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:40:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:40:54,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:40:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:40:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:40:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:40:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:40:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:40:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:40:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:40:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:40:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:40:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:40:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:40:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:40:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:40:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:40:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:40:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:40:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:40:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:40:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:40:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:40:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:40:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:40:55,515 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:40:55,515 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:40:55,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:55 BoogieIcfgContainer [2020-07-17 16:40:55,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:40:55,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:40:55,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:40:55,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:40:55,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:40:53" (1/3) ... [2020-07-17 16:40:55,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2dfff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:55, skipping insertion in model container [2020-07-17 16:40:55,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:54" (2/3) ... [2020-07-17 16:40:55,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2dfff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:55, skipping insertion in model container [2020-07-17 16:40:55,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:55" (3/3) ... [2020-07-17 16:40:55,533 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-07-17 16:40:55,543 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:40:55,552 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:40:55,566 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:40:55,589 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:40:55,589 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:40:55,589 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:40:55,590 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:40:55,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:40:55,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:40:55,591 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:40:55,591 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:40:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-07-17 16:40:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:40:55,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:55,651 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] [2020-07-17 16:40:55,651 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1993009160, now seen corresponding path program 1 times [2020-07-17 16:40:55,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:55,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485362428] [2020-07-17 16:40:55,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,346 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:56,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485362428] [2020-07-17 16:40:56,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:56,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:40:56,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015892483] [2020-07-17 16:40:56,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:40:56,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:56,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:40:56,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:56,504 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 3 states. [2020-07-17 16:40:57,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:57,800 INFO L93 Difference]: Finished difference Result 465 states and 549 transitions. [2020-07-17 16:40:57,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:40:57,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:40:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:57,819 INFO L225 Difference]: With dead ends: 465 [2020-07-17 16:40:57,819 INFO L226 Difference]: Without dead ends: 290 [2020-07-17 16:40:57,824 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 [2020-07-17 16:40:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-17 16:40:57,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 249. [2020-07-17 16:40:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-07-17 16:40:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 268 transitions. [2020-07-17 16:40:57,950 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 268 transitions. Word has length 142 [2020-07-17 16:40:57,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:57,951 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 268 transitions. [2020-07-17 16:40:57,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:40:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 268 transitions. [2020-07-17 16:40:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:40:57,955 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:57,956 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] [2020-07-17 16:40:57,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:40:57,956 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash -534856304, now seen corresponding path program 1 times [2020-07-17 16:40:57,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:57,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466282341] [2020-07-17 16:40:57,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,317 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:58,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466282341] [2020-07-17 16:40:58,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:58,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:40:58,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457306840] [2020-07-17 16:40:58,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:40:58,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:58,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:40:58,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:40:58,409 INFO L87 Difference]: Start difference. First operand 249 states and 268 transitions. Second operand 4 states. [2020-07-17 16:40:59,028 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:59,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:59,822 INFO L93 Difference]: Finished difference Result 382 states and 424 transitions. [2020-07-17 16:40:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:40:59,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:40:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:59,828 INFO L225 Difference]: With dead ends: 382 [2020-07-17 16:40:59,829 INFO L226 Difference]: Without dead ends: 273 [2020-07-17 16:40:59,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:40:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-17 16:40:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 239. [2020-07-17 16:40:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-07-17 16:40:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 255 transitions. [2020-07-17 16:40:59,902 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 255 transitions. Word has length 143 [2020-07-17 16:40:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:59,903 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 255 transitions. [2020-07-17 16:40:59,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:40:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 255 transitions. [2020-07-17 16:40:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 16:40:59,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:59,905 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] [2020-07-17 16:40:59,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:40:59,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:59,906 INFO L82 PathProgramCache]: Analyzing trace with hash -713358115, now seen corresponding path program 1 times [2020-07-17 16:40:59,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:59,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717678221] [2020-07-17 16:40:59,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,260 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:00,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717678221] [2020-07-17 16:41:00,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:00,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:41:00,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408550266] [2020-07-17 16:41:00,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:41:00,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:00,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:41:00,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:41:00,477 INFO L87 Difference]: Start difference. First operand 239 states and 255 transitions. Second operand 9 states. [2020-07-17 16:41:01,181 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:01,587 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:01,819 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:02,049 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:02,281 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:02,527 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:03,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:03,892 INFO L93 Difference]: Finished difference Result 402 states and 449 transitions. [2020-07-17 16:41:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:41:03,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-17 16:41:03,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:03,897 INFO L225 Difference]: With dead ends: 402 [2020-07-17 16:41:03,897 INFO L226 Difference]: Without dead ends: 273 [2020-07-17 16:41:03,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:41:03,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-17 16:41:03,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 239. [2020-07-17 16:41:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-07-17 16:41:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 254 transitions. [2020-07-17 16:41:03,975 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 254 transitions. Word has length 152 [2020-07-17 16:41:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:03,976 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 254 transitions. [2020-07-17 16:41:03,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:41:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-07-17 16:41:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-17 16:41:03,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:03,978 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] [2020-07-17 16:41:03,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:41:03,979 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:03,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:03,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1380723004, now seen corresponding path program 1 times [2020-07-17 16:41:03,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:03,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474346772] [2020-07-17 16:41:03,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,273 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:04,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474346772] [2020-07-17 16:41:04,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:04,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:41:04,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298961670] [2020-07-17 16:41:04,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:41:04,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:04,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:41:04,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:41:04,406 INFO L87 Difference]: Start difference. First operand 239 states and 254 transitions. Second operand 6 states. [2020-07-17 16:41:04,990 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:06,708 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:07,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:07,145 INFO L93 Difference]: Finished difference Result 524 states and 592 transitions. [2020-07-17 16:41:07,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 16:41:07,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-07-17 16:41:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:07,150 INFO L225 Difference]: With dead ends: 524 [2020-07-17 16:41:07,150 INFO L226 Difference]: Without dead ends: 395 [2020-07-17 16:41:07,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:41:07,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-17 16:41:07,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 336. [2020-07-17 16:41:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-07-17 16:41:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 361 transitions. [2020-07-17 16:41:07,311 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 361 transitions. Word has length 160 [2020-07-17 16:41:07,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:07,314 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 361 transitions. [2020-07-17 16:41:07,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:41:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 361 transitions. [2020-07-17 16:41:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-17 16:41:07,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:07,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:07,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:41:07,319 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:07,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:07,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1083295401, now seen corresponding path program 1 times [2020-07-17 16:41:07,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:07,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334889797] [2020-07-17 16:41:07,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,700 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:07,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334889797] [2020-07-17 16:41:07,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:07,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:41:07,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38255236] [2020-07-17 16:41:07,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:07,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:07,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:07,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:07,986 INFO L87 Difference]: Start difference. First operand 336 states and 361 transitions. Second operand 14 states. [2020-07-17 16:41:08,464 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:08,785 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:09,033 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:09,273 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:09,523 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:09,749 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:10,365 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:11,356 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:11,643 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:11,919 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:12,197 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:12,445 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:12,677 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:12,911 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:13,183 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:13,488 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:13,772 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:15,009 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:15,240 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:15,535 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:16,245 INFO L93 Difference]: Finished difference Result 1012 states and 1198 transitions. [2020-07-17 16:41:16,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 16:41:16,245 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 184 [2020-07-17 16:41:16,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:16,254 INFO L225 Difference]: With dead ends: 1012 [2020-07-17 16:41:16,254 INFO L226 Difference]: Without dead ends: 786 [2020-07-17 16:41:16,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:41:16,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-17 16:41:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 689. [2020-07-17 16:41:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-07-17 16:41:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 762 transitions. [2020-07-17 16:41:16,479 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 762 transitions. Word has length 184 [2020-07-17 16:41:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:16,480 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 762 transitions. [2020-07-17 16:41:16,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 762 transitions. [2020-07-17 16:41:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-07-17 16:41:16,485 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:16,486 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:16,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:41:16,486 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash 792198682, now seen corresponding path program 1 times [2020-07-17 16:41:16,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:16,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890704670] [2020-07-17 16:41:16,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,744 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-17 16:41:17,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890704670] [2020-07-17 16:41:17,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:17,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:41:17,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278165746] [2020-07-17 16:41:17,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:17,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:17,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:17,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:17,142 INFO L87 Difference]: Start difference. First operand 689 states and 762 transitions. Second operand 14 states. [2020-07-17 16:41:17,625 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:18,310 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:18,964 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:19,217 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:19,481 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:19,769 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:20,014 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:20,266 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:20,506 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:20,763 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:20,988 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:21,253 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:21,520 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:21,790 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:23,630 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:23,860 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:24,100 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:41:24,364 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:24,591 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:24,806 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:25,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:25,356 INFO L93 Difference]: Finished difference Result 1379 states and 1619 transitions. [2020-07-17 16:41:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-17 16:41:25,357 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 263 [2020-07-17 16:41:25,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:25,363 INFO L225 Difference]: With dead ends: 1379 [2020-07-17 16:41:25,363 INFO L226 Difference]: Without dead ends: 800 [2020-07-17 16:41:25,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2020-07-17 16:41:25,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-07-17 16:41:25,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 685. [2020-07-17 16:41:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-17 16:41:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 758 transitions. [2020-07-17 16:41:25,581 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 758 transitions. Word has length 263 [2020-07-17 16:41:25,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:25,581 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 758 transitions. [2020-07-17 16:41:25,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 758 transitions. [2020-07-17 16:41:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-07-17 16:41:25,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:25,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:25,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:41:25,587 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:25,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:25,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1117850901, now seen corresponding path program 1 times [2020-07-17 16:41:25,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:25,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062818380] [2020-07-17 16:41:25,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,910 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 16:41:26,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062818380] [2020-07-17 16:41:26,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:26,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 16:41:26,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285068262] [2020-07-17 16:41:26,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 16:41:26,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:26,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 16:41:26,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 16:41:26,238 INFO L87 Difference]: Start difference. First operand 685 states and 758 transitions. Second operand 13 states. [2020-07-17 16:41:26,703 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:27,341 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:28,305 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:28,543 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:28,838 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:29,095 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:29,325 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:29,568 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:29,796 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:30,053 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:30,343 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:30,596 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:31,545 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:31,751 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:33,143 INFO L93 Difference]: Finished difference Result 1493 states and 1767 transitions. [2020-07-17 16:41:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 16:41:33,144 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 259 [2020-07-17 16:41:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:33,154 INFO L225 Difference]: With dead ends: 1493 [2020-07-17 16:41:33,155 INFO L226 Difference]: Without dead ends: 1086 [2020-07-17 16:41:33,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:41:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-07-17 16:41:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 884. [2020-07-17 16:41:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-07-17 16:41:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 987 transitions. [2020-07-17 16:41:33,644 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 987 transitions. Word has length 259 [2020-07-17 16:41:33,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:33,645 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 987 transitions. [2020-07-17 16:41:33,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 16:41:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 987 transitions. [2020-07-17 16:41:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-07-17 16:41:33,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:33,659 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:33,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:41:33,659 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash 517849007, now seen corresponding path program 1 times [2020-07-17 16:41:33,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:33,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066331075] [2020-07-17 16:41:33,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,043 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 16:41:34,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066331075] [2020-07-17 16:41:34,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:34,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:41:34,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820495996] [2020-07-17 16:41:34,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:34,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:34,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:34,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:34,346 INFO L87 Difference]: Start difference. First operand 884 states and 987 transitions. Second operand 14 states. [2020-07-17 16:41:34,836 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:35,062 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:35,288 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:35,513 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:35,723 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:36,469 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:36,688 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:36,914 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:37,152 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:37,373 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:38,558 INFO L93 Difference]: Finished difference Result 1491 states and 1714 transitions. [2020-07-17 16:41:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 16:41:38,558 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 254 [2020-07-17 16:41:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:38,563 INFO L225 Difference]: With dead ends: 1491 [2020-07-17 16:41:38,563 INFO L226 Difference]: Without dead ends: 717 [2020-07-17 16:41:38,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-07-17 16:41:38,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-07-17 16:41:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 675. [2020-07-17 16:41:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-07-17 16:41:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 756 transitions. [2020-07-17 16:41:38,878 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 756 transitions. Word has length 254 [2020-07-17 16:41:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:38,878 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 756 transitions. [2020-07-17 16:41:38,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 756 transitions. [2020-07-17 16:41:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-07-17 16:41:38,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:38,885 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, 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] [2020-07-17 16:41:38,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:41:38,885 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:38,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:38,886 INFO L82 PathProgramCache]: Analyzing trace with hash 685258019, now seen corresponding path program 2 times [2020-07-17 16:41:38,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:38,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59625183] [2020-07-17 16:41:38,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:39,412 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:41:39,412 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:41:39,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:41:39,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:41:39 BoogieIcfgContainer [2020-07-17 16:41:39,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:41:39,706 INFO L168 Benchmark]: Toolchain (without parser) took 46109.61 ms. Allocated memory was 136.8 MB in the beginning and 901.3 MB in the end (delta: 764.4 MB). Free memory was 100.7 MB in the beginning and 661.8 MB in the end (delta: -561.2 MB). Peak memory consumption was 203.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,707 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.05 ms. Allocated memory was 136.8 MB in the beginning and 216.5 MB in the end (delta: 79.7 MB). Free memory was 100.3 MB in the beginning and 193.8 MB in the end (delta: -93.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,711 INFO L168 Benchmark]: Boogie Preprocessor took 78.36 ms. Allocated memory is still 216.5 MB. Free memory was 193.8 MB in the beginning and 189.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,711 INFO L168 Benchmark]: RCFGBuilder took 1151.13 ms. Allocated memory is still 216.5 MB. Free memory was 189.1 MB in the beginning and 82.2 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,716 INFO L168 Benchmark]: TraceAbstraction took 44178.31 ms. Allocated memory was 216.5 MB in the beginning and 901.3 MB in the end (delta: 684.7 MB). Free memory was 81.3 MB in the beginning and 661.8 MB in the end (delta: -580.6 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:39,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.05 ms. Allocated memory was 136.8 MB in the beginning and 216.5 MB in the end (delta: 79.7 MB). Free memory was 100.3 MB in the beginning and 193.8 MB in the end (delta: -93.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.36 ms. Allocated memory is still 216.5 MB. Free memory was 193.8 MB in the beginning and 189.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1151.13 ms. Allocated memory is still 216.5 MB. Free memory was 189.1 MB in the beginning and 82.2 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44178.31 ms. Allocated memory was 216.5 MB in the beginning and 901.3 MB in the end (delta: 684.7 MB). Free memory was 81.3 MB in the beginning and 661.8 MB in the end (delta: -580.6 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 211]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=167, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=175, head={176:167}, methaneLevelCritical=141, pumpRunning=131, systemActive=130, waterLevel=1] [L48] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=167, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=175, head={176:167}, methaneLevelCritical=0, pumpRunning=131, systemActive=130, waterLevel=1] [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=167, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=131, systemActive=130, waterLevel=1] [L652] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=167, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=130, waterLevel=1] [L653] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=167, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=167, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L201] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L902] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L904] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L906] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L907] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L586] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L587] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L589] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L604] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L606] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L804] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L805] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L809] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L811] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L814] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L816] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L695] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L747] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L751] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L753] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L726] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L728] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L732] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L697] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L144] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L121] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L602] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L612] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L622] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L144] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L121] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L602] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L612] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L622] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L144] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L121] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L151] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L761] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L762] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L153] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L155] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L157] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L211] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 615 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 43.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 36.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1986 SDtfs, 3735 SDslu, 4701 SDs, 0 SdLazy, 9951 SolverSat, 1147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 244 SyntacticMatches, 6 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 624 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1863 NumberOfCodeBlocks, 1863 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1549 ConstructedInterpolants, 0 QuantifiedInterpolants, 755582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 99/110 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...