/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:56,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:56,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:56,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:56,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:56,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:56,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:56,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:56,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:56,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:56,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:56,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:56,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:56,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:56,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:56,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:56,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:56,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:56,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:56,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:56,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:56,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:56,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:56,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:56,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:56,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:56,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:56,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:56,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:56,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:56,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:56,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:56,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:56,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:56,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:56,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:56,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:56,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:56,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:56,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:56,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:56,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:00:56,644 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:56,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:56,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:56,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:56,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:56,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:56,646 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:56,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:56,646 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:56,646 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:56,646 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:56,647 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:56,647 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:56,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:56,648 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:56,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:56,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:56,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:56,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:56,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:56,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:56,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:56,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:56,650 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:56,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:56,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:56,651 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:56,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:56,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:56,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:56,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:56,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:56,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:56,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:56,869 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:56,870 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:56,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2023-04-03 01:00:57,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:58,030 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:58,031 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2023-04-03 01:00:58,047 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cde30a61/e0ccccd6cb894dadba91a2954c361e45/FLAGa2d7cba55 [2023-04-03 01:00:58,068 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cde30a61/e0ccccd6cb894dadba91a2954c361e45 [2023-04-03 01:00:58,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:58,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:58,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:58,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:58,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:58,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcb7764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58, skipping insertion in model container [2023-04-03 01:00:58,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:58,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:58,371 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2023-04-03 01:00:58,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:58,387 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:58,436 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2023-04-03 01:00:58,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:58,449 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:58,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58 WrapperNode [2023-04-03 01:00:58,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:58,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:58,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:58,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:58,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:58,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:58,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:58,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:58,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (1/1) ... [2023-04-03 01:00:58,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:58,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:58,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:58,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:00:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:58,733 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:58,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:59,204 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:59,339 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:59,339 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:59,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:59 BoogieIcfgContainer [2023-04-03 01:00:59,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:59,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:59,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:59,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:59,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:58" (1/3) ... [2023-04-03 01:00:59,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3323043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:59, skipping insertion in model container [2023-04-03 01:00:59,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:58" (2/3) ... [2023-04-03 01:00:59,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3323043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:59, skipping insertion in model container [2023-04-03 01:00:59,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:59" (3/3) ... [2023-04-03 01:00:59,351 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2023-04-03 01:00:59,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:59,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:59,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:59,411 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67d5b6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:59,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 81 states have internal predecessors, (86), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-03 01:00:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:59,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:59,424 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:00:59,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:59,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1573487955, now seen corresponding path program 1 times [2023-04-03 01:00:59,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:59,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547193023] [2023-04-03 01:00:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:59,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547193023] [2023-04-03 01:00:59,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547193023] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:59,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:59,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697799282] [2023-04-03 01:00:59,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:59,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:59,685 INFO L87 Difference]: Start difference. First operand has 149 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 81 states have internal predecessors, (86), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:59,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:59,758 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2023-04-03 01:00:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:59,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:59,769 INFO L225 Difference]: With dead ends: 224 [2023-04-03 01:00:59,769 INFO L226 Difference]: Without dead ends: 114 [2023-04-03 01:00:59,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:59,776 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:59,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-04-03 01:00:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-04-03 01:00:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 68 states have internal predecessors, (71), 32 states have call successors, (32), 28 states have call predecessors, (32), 23 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:00:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-04-03 01:00:59,824 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 46 [2023-04-03 01:00:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:59,825 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-04-03 01:00:59,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-04-03 01:00:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:59,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:59,829 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:00:59,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:59,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:59,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:59,831 INFO L85 PathProgramCache]: Analyzing trace with hash -341509956, now seen corresponding path program 1 times [2023-04-03 01:00:59,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:59,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005862932] [2023-04-03 01:00:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:59,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005862932] [2023-04-03 01:00:59,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005862932] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:59,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034389892] [2023-04-03 01:00:59,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:59,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:59,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:59,955 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:00,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,022 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions. [2023-04-03 01:01:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:00,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:01:00,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,024 INFO L225 Difference]: With dead ends: 178 [2023-04-03 01:01:00,025 INFO L226 Difference]: Without dead ends: 106 [2023-04-03 01:01:00,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:00,026 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 9 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:00,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:00,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-04-03 01:01:00,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-04-03 01:01:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 63 states have internal predecessors, (65), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:01:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2023-04-03 01:01:00,035 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 47 [2023-04-03 01:01:00,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:00,035 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2023-04-03 01:01:00,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2023-04-03 01:01:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:01:00,036 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:00,036 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:01:00,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:01:00,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:00,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 840546823, now seen corresponding path program 1 times [2023-04-03 01:01:00,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:00,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87756805] [2023-04-03 01:01:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:00,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:00,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87756805] [2023-04-03 01:01:00,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87756805] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:00,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:00,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:01:00,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214204556] [2023-04-03 01:01:00,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:00,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:01:00,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:00,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:01:00,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:01:00,192 INFO L87 Difference]: Start difference. First operand 106 states and 119 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,341 INFO L93 Difference]: Finished difference Result 187 states and 214 transitions. [2023-04-03 01:01:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:01:00,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-03 01:01:00,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,343 INFO L225 Difference]: With dead ends: 187 [2023-04-03 01:01:00,343 INFO L226 Difference]: Without dead ends: 106 [2023-04-03 01:01:00,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:01:00,344 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 108 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 284 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-04-03 01:01:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-04-03 01:01:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 62 states have internal predecessors, (64), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:01:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2023-04-03 01:01:00,360 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 50 [2023-04-03 01:01:00,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:00,360 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2023-04-03 01:01:00,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2023-04-03 01:01:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-03 01:01:00,368 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:00,368 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:01:00,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:01:00,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:00,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:00,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2068632284, now seen corresponding path program 1 times [2023-04-03 01:01:00,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:00,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416331063] [2023-04-03 01:01:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:00,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:00,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416331063] [2023-04-03 01:01:00,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416331063] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:00,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:00,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:01:00,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658924351] [2023-04-03 01:01:00,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:00,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:01:00,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:00,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:01:00,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:01:00,493 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:01:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,784 INFO L93 Difference]: Finished difference Result 277 states and 327 transitions. [2023-04-03 01:01:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:01:00,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-03 01:01:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,791 INFO L225 Difference]: With dead ends: 277 [2023-04-03 01:01:00,792 INFO L226 Difference]: Without dead ends: 196 [2023-04-03 01:01:00,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:00,798 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 144 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:00,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 149 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:00,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-04-03 01:01:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 179. [2023-04-03 01:01:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 96 states have (on average 1.1875) internal successors, (114), 105 states have internal predecessors, (114), 41 states have call successors, (41), 40 states have call predecessors, (41), 41 states have return successors, (44), 40 states have call predecessors, (44), 37 states have call successors, (44) [2023-04-03 01:01:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 199 transitions. [2023-04-03 01:01:00,825 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 199 transitions. Word has length 63 [2023-04-03 01:01:00,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:00,826 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 199 transitions. [2023-04-03 01:01:00,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:01:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 199 transitions. [2023-04-03 01:01:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:01:00,827 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:00,827 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:01:00,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:01:00,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:00,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -422432087, now seen corresponding path program 1 times [2023-04-03 01:01:00,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:00,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397824499] [2023-04-03 01:01:00,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:00,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:00,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397824499] [2023-04-03 01:01:00,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397824499] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:00,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:00,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:01:00,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838005138] [2023-04-03 01:01:00,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:00,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:01:00,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:00,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:01:00,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:01:00,924 INFO L87 Difference]: Start difference. First operand 179 states and 199 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:01:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:01,051 INFO L93 Difference]: Finished difference Result 470 states and 538 transitions. [2023-04-03 01:01:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:01:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-03 01:01:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:01,054 INFO L225 Difference]: With dead ends: 470 [2023-04-03 01:01:01,055 INFO L226 Difference]: Without dead ends: 316 [2023-04-03 01:01:01,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:01:01,059 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 78 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:01,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 423 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-04-03 01:01:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 306. [2023-04-03 01:01:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 167 states have (on average 1.1616766467065869) internal successors, (194), 182 states have internal predecessors, (194), 67 states have call successors, (67), 65 states have call predecessors, (67), 71 states have return successors, (77), 69 states have call predecessors, (77), 63 states have call successors, (77) [2023-04-03 01:01:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 338 transitions. [2023-04-03 01:01:01,092 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 338 transitions. Word has length 72 [2023-04-03 01:01:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:01,093 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 338 transitions. [2023-04-03 01:01:01,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:01:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 338 transitions. [2023-04-03 01:01:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-03 01:01:01,094 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:01,094 INFO L195 NwaCegarLoop]: 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] [2023-04-03 01:01:01,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:01:01,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:01,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash 661783035, now seen corresponding path program 1 times [2023-04-03 01:01:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:01,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304654940] [2023-04-03 01:01:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:01,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:01,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304654940] [2023-04-03 01:01:01,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304654940] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:01,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:01,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:01,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680244133] [2023-04-03 01:01:01,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:01,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:01,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:01,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:01,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:01,187 INFO L87 Difference]: Start difference. First operand 306 states and 338 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:01:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:01,242 INFO L93 Difference]: Finished difference Result 460 states and 532 transitions. [2023-04-03 01:01:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:01,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2023-04-03 01:01:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:01,248 INFO L225 Difference]: With dead ends: 460 [2023-04-03 01:01:01,248 INFO L226 Difference]: Without dead ends: 457 [2023-04-03 01:01:01,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:01,250 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:01,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 176 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-04-03 01:01:01,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2023-04-03 01:01:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 252 states have (on average 1.1666666666666667) internal successors, (294), 275 states have internal predecessors, (294), 98 states have call successors, (98), 95 states have call predecessors, (98), 106 states have return successors, (135), 103 states have call predecessors, (135), 94 states have call successors, (135) [2023-04-03 01:01:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 527 transitions. [2023-04-03 01:01:01,300 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 527 transitions. Word has length 75 [2023-04-03 01:01:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:01,301 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 527 transitions. [2023-04-03 01:01:01,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:01:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 527 transitions. [2023-04-03 01:01:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 01:01:01,305 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:01,306 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-03 01:01:01,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:01:01,306 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:01,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:01,306 INFO L85 PathProgramCache]: Analyzing trace with hash -290320110, now seen corresponding path program 1 times [2023-04-03 01:01:01,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:01,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184759208] [2023-04-03 01:01:01,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 01:01:01,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:01,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184759208] [2023-04-03 01:01:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184759208] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173552162] [2023-04-03 01:01:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:01,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:01,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:01:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-03 01:01:01,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:01:01,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:01,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173552162] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:01,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:01,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2023-04-03 01:01:01,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371228483] [2023-04-03 01:01:01,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:01,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:01:01,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:01,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:01:01,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:01:01,787 INFO L87 Difference]: Start difference. First operand 457 states and 527 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 01:01:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:01,949 INFO L93 Difference]: Finished difference Result 742 states and 870 transitions. [2023-04-03 01:01:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:01:01,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 124 [2023-04-03 01:01:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:01,952 INFO L225 Difference]: With dead ends: 742 [2023-04-03 01:01:01,952 INFO L226 Difference]: Without dead ends: 437 [2023-04-03 01:01:01,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:01:01,953 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:01,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 486 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-04-03 01:01:01,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 418. [2023-04-03 01:01:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 229 states have (on average 1.1528384279475983) internal successors, (264), 250 states have internal predecessors, (264), 90 states have call successors, (90), 88 states have call predecessors, (90), 98 states have return successors, (115), 93 states have call predecessors, (115), 86 states have call successors, (115) [2023-04-03 01:01:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 469 transitions. [2023-04-03 01:01:01,981 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 469 transitions. Word has length 124 [2023-04-03 01:01:01,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:01,981 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 469 transitions. [2023-04-03 01:01:01,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 01:01:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 469 transitions. [2023-04-03 01:01:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 01:01:01,986 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:01,986 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-03 01:01:01,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:02,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:02,192 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:02,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 287365010, now seen corresponding path program 1 times [2023-04-03 01:01:02,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:02,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172079919] [2023-04-03 01:01:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:02,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:01:02,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:02,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172079919] [2023-04-03 01:01:02,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172079919] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:02,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788487575] [2023-04-03 01:01:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:02,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:02,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:02,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:02,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:01:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:02,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 01:01:02,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:02,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:02,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788487575] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:02,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:02,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-03 01:01:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700584703] [2023-04-03 01:01:02,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:02,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:02,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:02,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:02,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:02,524 INFO L87 Difference]: Start difference. First operand 418 states and 469 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 01:01:02,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:02,568 INFO L93 Difference]: Finished difference Result 768 states and 864 transitions. [2023-04-03 01:01:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:02,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 124 [2023-04-03 01:01:02,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:02,571 INFO L225 Difference]: With dead ends: 768 [2023-04-03 01:01:02,571 INFO L226 Difference]: Without dead ends: 375 [2023-04-03 01:01:02,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:02,572 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:02,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:02,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-04-03 01:01:02,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-04-03 01:01:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 205 states have (on average 1.1365853658536584) internal successors, (233), 225 states have internal predecessors, (233), 81 states have call successors, (81), 79 states have call predecessors, (81), 88 states have return successors, (95), 84 states have call predecessors, (95), 77 states have call successors, (95) [2023-04-03 01:01:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 409 transitions. [2023-04-03 01:01:02,595 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 409 transitions. Word has length 124 [2023-04-03 01:01:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:02,595 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 409 transitions. [2023-04-03 01:01:02,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 01:01:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 409 transitions. [2023-04-03 01:01:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 01:01:02,597 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:02,597 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:02,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:02,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-04-03 01:01:02,803 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:02,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:02,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1834122878, now seen corresponding path program 1 times [2023-04-03 01:01:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:02,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103432001] [2023-04-03 01:01:02,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:01:03,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:03,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103432001] [2023-04-03 01:01:03,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103432001] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:03,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135544270] [2023-04-03 01:01:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:03,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:03,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:03,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:01:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:03,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-03 01:01:03,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:03,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:03,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135544270] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:03,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:03,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 22 [2023-04-03 01:01:03,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308640774] [2023-04-03 01:01:03,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:03,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:01:03,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:03,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:01:03,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2023-04-03 01:01:03,610 INFO L87 Difference]: Start difference. First operand 375 states and 409 transitions. Second operand has 14 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) [2023-04-03 01:01:04,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:04,333 INFO L93 Difference]: Finished difference Result 887 states and 1013 transitions. [2023-04-03 01:01:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-03 01:01:04,333 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) Word has length 127 [2023-04-03 01:01:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:04,336 INFO L225 Difference]: With dead ends: 887 [2023-04-03 01:01:04,336 INFO L226 Difference]: Without dead ends: 537 [2023-04-03 01:01:04,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=1160, Unknown=0, NotChecked=0, Total=1332 [2023-04-03 01:01:04,339 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 170 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:04,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 277 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 01:01:04,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2023-04-03 01:01:04,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 455. [2023-04-03 01:01:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 257 states have (on average 1.1361867704280155) internal successors, (292), 278 states have internal predecessors, (292), 97 states have call successors, (97), 97 states have call predecessors, (97), 100 states have return successors, (111), 96 states have call predecessors, (111), 93 states have call successors, (111) [2023-04-03 01:01:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 500 transitions. [2023-04-03 01:01:04,373 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 500 transitions. Word has length 127 [2023-04-03 01:01:04,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:04,374 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 500 transitions. [2023-04-03 01:01:04,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) [2023-04-03 01:01:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 500 transitions. [2023-04-03 01:01:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 01:01:04,376 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:04,376 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:04,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:04,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:04,581 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:04,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:04,582 INFO L85 PathProgramCache]: Analyzing trace with hash -444909338, now seen corresponding path program 1 times [2023-04-03 01:01:04,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:04,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487323180] [2023-04-03 01:01:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-03 01:01:05,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:05,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487323180] [2023-04-03 01:01:05,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487323180] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:05,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160003445] [2023-04-03 01:01:05,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:05,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:05,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:05,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:05,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:01:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:05,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 54 conjunts are in the unsatisfiable core [2023-04-03 01:01:05,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:05,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:01:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-03 01:01:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160003445] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:01:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [231445490] [2023-04-03 01:01:06,192 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-04-03 01:01:06,192 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:01:06,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:01:06,199 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:01:06,199 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:01:06,349 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:01:06,406 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:01:06,568 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:01:06,613 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:01:12,759 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 67 for LOIs [2023-04-03 01:01:12,767 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 40 for LOIs [2023-04-03 01:01:13,004 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 38 for LOIs [2023-04-03 01:01:13,009 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 34 for LOIs [2023-04-03 01:01:13,064 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 34 for LOIs [2023-04-03 01:01:13,067 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 42 for LOIs [2023-04-03 01:01:13,070 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:01:13,072 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 41 for LOIs [2023-04-03 01:01:13,215 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 39 for LOIs [2023-04-03 01:01:13,341 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 34 for LOIs [2023-04-03 01:01:13,407 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 34 for LOIs [2023-04-03 01:01:13,411 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 46 for LOIs [2023-04-03 01:01:13,415 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:01:13,418 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:01:13,470 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:01:13,473 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 66 for LOIs [2023-04-03 01:01:13,481 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-04-03 01:01:13,483 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:01:13,484 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:01:13,485 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:01:13,487 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:01:13,488 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:01:20,155 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11914#(and (<= ~methaneLevelCritical~0 1) (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 |#StackHeapBarrier|) (<= 0 ~methAndRunningLastTime~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:01:20,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:01:20,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:01:20,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 37 [2023-04-03 01:01:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807020252] [2023-04-03 01:01:20,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:01:20,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-04-03 01:01:20,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:20,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-04-03 01:01:20,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=8277, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:01:20,160 INFO L87 Difference]: Start difference. First operand 455 states and 500 transitions. Second operand has 37 states, 25 states have (on average 4.52) internal successors, (113), 28 states have internal predecessors, (113), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) [2023-04-03 01:01:22,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:22,202 INFO L93 Difference]: Finished difference Result 1748 states and 2094 transitions. [2023-04-03 01:01:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 01:01:22,202 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 25 states have (on average 4.52) internal successors, (113), 28 states have internal predecessors, (113), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) Word has length 130 [2023-04-03 01:01:22,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:22,211 INFO L225 Difference]: With dead ends: 1748 [2023-04-03 01:01:22,211 INFO L226 Difference]: Without dead ends: 1318 [2023-04-03 01:01:22,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 307 SyntacticMatches, 18 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6088 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=950, Invalid=11482, Unknown=0, NotChecked=0, Total=12432 [2023-04-03 01:01:22,216 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 1068 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 4014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 905 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:22,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 662 Invalid, 4014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [905 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 01:01:22,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-04-03 01:01:22,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 972. [2023-04-03 01:01:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 564 states have (on average 1.1365248226950355) internal successors, (641), 602 states have internal predecessors, (641), 201 states have call successors, (201), 201 states have call predecessors, (201), 206 states have return successors, (229), 202 states have call predecessors, (229), 197 states have call successors, (229) [2023-04-03 01:01:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1071 transitions. [2023-04-03 01:01:22,277 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1071 transitions. Word has length 130 [2023-04-03 01:01:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:22,278 INFO L495 AbstractCegarLoop]: Abstraction has 972 states and 1071 transitions. [2023-04-03 01:01:22,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 25 states have (on average 4.52) internal successors, (113), 28 states have internal predecessors, (113), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) [2023-04-03 01:01:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1071 transitions. [2023-04-03 01:01:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-03 01:01:22,280 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:22,281 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-03 01:01:22,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:22,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:22,487 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:22,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:22,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1098546284, now seen corresponding path program 1 times [2023-04-03 01:01:22,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:22,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823944277] [2023-04-03 01:01:22,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 53 proven. 15 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-04-03 01:01:22,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:22,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823944277] [2023-04-03 01:01:22,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823944277] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:22,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243268273] [2023-04-03 01:01:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:22,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:22,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:22,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:22,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 01:01:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:22,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 58 conjunts are in the unsatisfiable core [2023-04-03 01:01:22,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 122 proven. 33 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-03 01:01:23,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:01:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 86 proven. 18 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-04-03 01:01:24,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243268273] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:01:24,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [354387942] [2023-04-03 01:01:24,602 INFO L159 IcfgInterpreter]: Started Sifa with 102 locations of interest [2023-04-03 01:01:24,602 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:01:24,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:01:24,604 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:01:24,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:01:24,696 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:01:24,715 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:01:24,857 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:01:24,887 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:01:29,497 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-03 01:01:29,502 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 40 for LOIs [2023-04-03 01:01:29,714 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 38 for LOIs [2023-04-03 01:01:29,720 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 34 for LOIs [2023-04-03 01:01:29,879 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 34 for LOIs [2023-04-03 01:01:29,881 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 42 for LOIs [2023-04-03 01:01:29,884 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:01:29,886 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 41 for LOIs [2023-04-03 01:01:30,074 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 39 for LOIs [2023-04-03 01:01:30,211 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 34 for LOIs [2023-04-03 01:01:30,275 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 34 for LOIs [2023-04-03 01:01:30,279 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 46 for LOIs [2023-04-03 01:01:30,283 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:01:30,284 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:01:30,335 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:01:30,339 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 45 for LOIs [2023-04-03 01:01:30,342 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-03 01:01:30,347 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-04-03 01:01:30,349 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:01:30,350 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:01:30,351 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:01:30,353 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:01:30,355 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:01:38,074 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17227#(and (<= ~methaneLevelCritical~0 1) (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 |#StackHeapBarrier|) (<= 0 ~methAndRunningLastTime~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:01:38,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:01:38,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:01:38,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 18, 16] total 41 [2023-04-03 01:01:38,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754821261] [2023-04-03 01:01:38,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:01:38,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-04-03 01:01:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-04-03 01:01:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=9279, Unknown=0, NotChecked=0, Total=9900 [2023-04-03 01:01:38,092 INFO L87 Difference]: Start difference. First operand 972 states and 1071 transitions. Second operand has 41 states, 32 states have (on average 5.75) internal successors, (184), 32 states have internal predecessors, (184), 17 states have call successors, (84), 12 states have call predecessors, (84), 22 states have return successors, (83), 23 states have call predecessors, (83), 17 states have call successors, (83) [2023-04-03 01:01:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:42,069 INFO L93 Difference]: Finished difference Result 1667 states and 1973 transitions. [2023-04-03 01:01:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-04-03 01:01:42,072 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 32 states have (on average 5.75) internal successors, (184), 32 states have internal predecessors, (184), 17 states have call successors, (84), 12 states have call predecessors, (84), 22 states have return successors, (83), 23 states have call predecessors, (83), 17 states have call successors, (83) Word has length 214 [2023-04-03 01:01:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:42,074 INFO L225 Difference]: With dead ends: 1667 [2023-04-03 01:01:42,074 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:01:42,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 545 SyntacticMatches, 25 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9949 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1953, Invalid=23487, Unknown=0, NotChecked=0, Total=25440 [2023-04-03 01:01:42,082 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1530 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 5183 mSolverCounterSat, 1641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 6824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1641 IncrementalHoareTripleChecker+Valid, 5183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:42,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 849 Invalid, 6824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1641 Valid, 5183 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 01:01:42,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:01:42,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:01:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:01:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:01:42,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-04-03 01:01:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:42,083 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:01:42,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 32 states have (on average 5.75) internal successors, (184), 32 states have internal predecessors, (184), 17 states have call successors, (84), 12 states have call predecessors, (84), 22 states have return successors, (83), 23 states have call predecessors, (83), 17 states have call successors, (83) [2023-04-03 01:01:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:01:42,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:01:42,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:01:42,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:42,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-03 01:01:42,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:01:47,611 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:01:47,611 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:01:47,611 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 703) no Hoare annotation was computed. [2023-04-03 01:01:47,611 INFO L899 garLoopResultBuilder]: For program point L693-2(lines 693 714) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L715(lines 692 716) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 668 723) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 668 723) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 724 783) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 760) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L750-2(lines 750 775) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 724 783) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 724 783) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point L776(lines 749 777) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-03 01:01:47,612 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 167 189) no Hoare annotation was computed. [2023-04-03 01:01:47,612 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L895 garLoopResultBuilder]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 177 184) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L895 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L895 garLoopResultBuilder]: At program point L173-1(line 173) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 167 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 123 146) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 123 146) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-03 01:01:47,613 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 123 146) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L902 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: true [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 521 539) the Hoare annotation is: true [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 935 980) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 935 980) no Hoare annotation was computed. [2023-04-03 01:01:47,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 330) the Hoare annotation is: true [2023-04-03 01:01:47,614 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 317 330) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3)) .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse1 (not (= 2 ~waterLevel~0)) .cse4) (or .cse3 .cse0 .cse1 .cse2 .cse4))) [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse1 (not (= 2 ~waterLevel~0)) .cse4) (or .cse3 .cse0 .cse1 .cse2 .cse4))) [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point L411-1(line 411) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 405 429) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 405 429) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse4 .cse1 (not (= 2 ~waterLevel~0)) .cse5) (or .cse3 .cse4 .cse0 .cse1 .cse2 .cse5))) [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse4 .cse1 (not (= 2 ~waterLevel~0)) .cse5) (or .cse3 .cse4 .cse0 .cse1 .cse2 .cse5))) [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point L424-1(lines 405 429) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse1 (not (= 2 ~waterLevel~0)) .cse4) (or .cse3 .cse0 .cse1 .cse2 .cse4))) [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:47,615 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 549 614) no Hoare annotation was computed. [2023-04-03 01:01:47,615 INFO L895 garLoopResultBuilder]: At program point L597-2(lines 589 602) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse3 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse4 .cse8 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse9 .cse7 .cse4 .cse8 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5)))) [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L895 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse3 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse4 .cse8 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse9 .cse7 .cse4 .cse8 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5)))) [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 549 614) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,616 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse3 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse4 .cse8 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse9 .cse7 .cse4 .cse8 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5)))) [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L895 garLoopResultBuilder]: At program point L604(lines 559 606) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse8 .cse4 .cse9 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse9 .cse5 .cse6)))) [2023-04-03 01:01:47,616 INFO L895 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse8 .cse4 .cse9 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse9 .cse5 .cse6)))) [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 549 614) no Hoare annotation was computed. [2023-04-03 01:01:47,616 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 339) the Hoare annotation is: true [2023-04-03 01:01:47,616 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 331 339) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0 (< 1 ~waterLevel~0)) (or (< ~pumpRunning~0 1) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse8 (= __utac_acc__Specification2_spec__2_~tmp~1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse3 (and (= ~methAndRunningLastTime~0 0) .cse8)) (or .cse5 .cse6 .cse2 .cse7 .cse8))) [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 203 231) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 203 231) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 203 231) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 202) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 195 202) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 285 307) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 285 307) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2023-04-03 01:01:47,617 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 430 437) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0))) [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 308 316) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 308 316) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 502 520) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L902 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: true [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 502 520) the Hoare annotation is: true [2023-04-03 01:01:47,618 INFO L895 garLoopResultBuilder]: At program point L353(line 353) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse1 (< 2 |old(~waterLevel~0)|)) (or .cse2 (= ~methAndRunningLastTime~0 0) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse1) (or .cse4 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse4 .cse2 .cse0 .cse3))) [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point L351(lines 350 369) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 347 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 (and .cse3 .cse4 (= ~waterLevel~0 1)) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (< |old(~waterLevel~0)| 2) .cse7 (< 2 |old(~waterLevel~0)|)) (or .cse1 .cse4 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse6 .cse7))) [2023-04-03 01:01:47,618 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (< |old(~waterLevel~0)| 2) .cse2 (< 2 |old(~waterLevel~0)|)) (or .cse3 .cse4 .cse1 (and .cse5 .cse6 (= 2 ~waterLevel~0)) .cse7) (or .cse3 (and .cse5 .cse6 .cse0) .cse4 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse4 .cse6 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse7 .cse2))) [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2023-04-03 01:01:47,618 INFO L895 garLoopResultBuilder]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4 (and (<= 1 ~pumpRunning~0) .cse2 (= 2 ~waterLevel~0)) .cse6) (or .cse4 (< |old(~waterLevel~0)| 2) .cse7 .cse8 (< 2 |old(~waterLevel~0)|)) (or .cse1 .cse2 .cse4 .cse5 .cse6 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7))) [2023-04-03 01:01:47,618 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-04-03 01:01:47,618 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 90 119) the Hoare annotation is: true [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2023-04-03 01:01:47,619 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2023-04-03 01:01:47,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 276 284) the Hoare annotation is: true [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 276 284) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 240 251) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 240 251) the Hoare annotation is: (or (< ~pumpRunning~0 1) (= 2 ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 2))) [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 540 547) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 540 547) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 2 ~waterLevel~0) (< ~pumpRunning~0 1) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse2 (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse2 (< ~waterLevel~0 1) (< 1 ~waterLevel~0) .cse0 .cse1 .cse3))) [2023-04-03 01:01:47,619 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) .cse3))) [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point L385-1(line 385) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2023-04-03 01:01:47,619 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 379 403) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L895 garLoopResultBuilder]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) .cse2))) [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 403) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) .cse3))) [2023-04-03 01:01:47,620 INFO L895 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 0)) (< 1 ~waterLevel~0) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2023-04-03 01:01:47,620 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1)) .cse2))) [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 252 263) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 263) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1) (not (= ~methAndRunningLastTime~0 0))) (or (< ~pumpRunning~0 1) (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))))) [2023-04-03 01:01:47,620 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 982 989) the Hoare annotation is: true [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 982 989) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 457 465) no Hoare annotation was computed. [2023-04-03 01:01:47,620 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 457 465) the Hoare annotation is: true [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point L496(line 496) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point L496-1(line 496) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 466 501) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 466 501) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 622 667) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 622 667) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 156 166) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 156 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 156 166) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 446 456) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 446 456) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point L451(line 451) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 438 445) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 438 445) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)) [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 889 934) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 889 934) no Hoare annotation was computed. [2023-04-03 01:01:47,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 873) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L851(line 851) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 814) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 786 888) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 786 888) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L835-2(lines 835 855) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L856(lines 834 857) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 786 888) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 831) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L836(lines 835 855) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:47,622 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 264 275) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 2 ~waterLevel~0) (< ~pumpRunning~0 1) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse2 (< ~waterLevel~0 1) .cse0 .cse1 (< 1 ~waterLevel~0) .cse3) (or .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3))) [2023-04-03 01:01:47,622 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 264 275) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 147 153) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 147 153) the Hoare annotation is: true [2023-04-03 01:01:47,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:01:47,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:01:47,623 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:01:47,625 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:47,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:47,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:47 BoogieIcfgContainer [2023-04-03 01:01:47,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:47,644 INFO L158 Benchmark]: Toolchain (without parser) took 49572.77ms. Allocated memory was 194.0MB in the beginning and 1.0GB in the end (delta: 821.0MB). Free memory was 159.1MB in the beginning and 950.6MB in the end (delta: -791.5MB). Peak memory consumption was 619.7MB. Max. memory is 8.0GB. [2023-04-03 01:01:47,644 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:47,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.14ms. Allocated memory is still 194.0MB. Free memory was 159.1MB in the beginning and 140.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:01:47,645 INFO L158 Benchmark]: Boogie Preprocessor took 44.81ms. Allocated memory is still 194.0MB. Free memory was 140.2MB in the beginning and 136.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:47,645 INFO L158 Benchmark]: RCFGBuilder took 847.58ms. Allocated memory was 194.0MB in the beginning and 302.0MB in the end (delta: 108.0MB). Free memory was 136.7MB in the beginning and 252.6MB in the end (delta: -115.9MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. [2023-04-03 01:01:47,645 INFO L158 Benchmark]: TraceAbstraction took 48297.50ms. Allocated memory was 302.0MB in the beginning and 1.0GB in the end (delta: 713.0MB). Free memory was 252.1MB in the beginning and 950.6MB in the end (delta: -698.6MB). Peak memory consumption was 603.8MB. Max. memory is 8.0GB. [2023-04-03 01:01:47,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.14ms. Allocated memory is still 194.0MB. Free memory was 159.1MB in the beginning and 140.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.81ms. Allocated memory is still 194.0MB. Free memory was 140.2MB in the beginning and 136.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 847.58ms. Allocated memory was 194.0MB in the beginning and 302.0MB in the end (delta: 108.0MB). Free memory was 136.7MB in the beginning and 252.6MB in the end (delta: -115.9MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. * TraceAbstraction took 48297.50ms. Allocated memory was 302.0MB in the beginning and 1.0GB in the end (delta: 713.0MB). Free memory was 252.1MB in the beginning and 950.6MB in the end (delta: -698.6MB). Peak memory consumption was 603.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 192 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3335 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3300 mSDsluCounter, 3816 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2801 mSDsCounter, 2769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10396 IncrementalHoareTripleChecker+Invalid, 13165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2769 mSolverCounterUnsat, 1015 mSDtfsCounter, 10396 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1649 GetRequests, 1262 SyntacticMatches, 43 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16345 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred in iteration=10, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 474 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1767 PreInvPairs, 1939 NumberOfFragments, 2367 HoareAnnotationTreeSize, 1767 FomulaSimplifications, 28259 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 17448 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1791 NumberOfCodeBlocks, 1791 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2117 ConstructedInterpolants, 0 QuantifiedInterpolants, 4419 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2760 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 793/901 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1)) || ((((1 <= pumpRunning && 2 == waterLevel) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && splverifierCounter == 0) && 1 == systemActive)) || !(\old(waterLevel) == 1)) || ((((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || !(\old(systemActive) == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:01:47,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...