/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:43,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:43,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:43,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:43,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:43,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:43,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:43,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:43,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:43,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:43,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:43,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:43,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:43,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:43,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:43,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:43,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:43,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:43,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:43,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:43,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:43,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:43,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:43,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:43,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:43,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:43,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:43,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:43,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:43,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:43,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:43,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:43,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:43,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:43,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:43,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:43,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:43,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:43,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:43,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:43,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:43,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:22:43,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:43,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:43,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:43,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:43,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:43,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:43,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:43,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:43,539 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:43,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:43,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:43,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:43,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:43,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:43,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:43,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:43,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:43,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:43,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:43,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:43,543 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:43,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:43,543 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:43,543 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:43,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:43,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:43,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:43,742 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:43,742 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:43,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2023-04-02 04:22:44,968 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:45,178 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:45,179 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2023-04-02 04:22:45,195 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081d822f8/4b8204f0efe54941aa83c2719185ba1a/FLAG0ac3dd03a [2023-04-02 04:22:45,211 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081d822f8/4b8204f0efe54941aa83c2719185ba1a [2023-04-02 04:22:45,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:45,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:45,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:45,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:45,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:45,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ea5055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45, skipping insertion in model container [2023-04-02 04:22:45,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:45,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:45,511 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_spec4_product13.cil.c[12494,12507] [2023-04-02 04:22:45,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:45,544 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:45,629 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_spec4_product13.cil.c[12494,12507] [2023-04-02 04:22:45,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:45,668 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:45,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45 WrapperNode [2023-04-02 04:22:45,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:45,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:45,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:45,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:45,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:45,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:45,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:45,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:45,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (1/1) ... [2023-04-02 04:22:45,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:45,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:45,793 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) [2023-04-02 04:22:45,797 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 [2023-04-02 04:22:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:46,018 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:46,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:46,568 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:46,584 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:46,585 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:46,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:46 BoogieIcfgContainer [2023-04-02 04:22:46,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:46,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:46,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:46,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:46,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:45" (1/3) ... [2023-04-02 04:22:46,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762b05f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:46, skipping insertion in model container [2023-04-02 04:22:46,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:45" (2/3) ... [2023-04-02 04:22:46,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762b05f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:46, skipping insertion in model container [2023-04-02 04:22:46,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:46" (3/3) ... [2023-04-02 04:22:46,595 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2023-04-02 04:22:46,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:46,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:46,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:46,679 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=PETRI_NET, 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;@3d93e180, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:46,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 83 states have (on average 1.3012048192771084) internal successors, (108), 94 states have internal predecessors, (108), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-04-02 04:22:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:46,695 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:46,696 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] [2023-04-02 04:22:46,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:46,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1244501747, now seen corresponding path program 1 times [2023-04-02 04:22:46,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:46,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255967012] [2023-04-02 04:22:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:47,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:47,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255967012] [2023-04-02 04:22:47,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255967012] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:47,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:47,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:47,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586068557] [2023-04-02 04:22:47,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:47,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:47,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:47,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:47,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:47,087 INFO L87 Difference]: Start difference. First operand has 153 states, 83 states have (on average 1.3012048192771084) internal successors, (108), 94 states have internal predecessors, (108), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:47,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:47,405 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2023-04-02 04:22:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:47,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:22:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:47,414 INFO L225 Difference]: With dead ends: 243 [2023-04-02 04:22:47,414 INFO L226 Difference]: Without dead ends: 132 [2023-04-02 04:22:47,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:47,419 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 75 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:47,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 18 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:47,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-04-02 04:22:47,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2023-04-02 04:22:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 66 states have internal predecessors, (73), 25 states have call successors, (25), 22 states have call predecessors, (25), 17 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-02 04:22:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2023-04-02 04:22:47,459 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2023-04-02 04:22:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:47,459 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2023-04-02 04:22:47,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2023-04-02 04:22:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:47,461 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:47,461 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] [2023-04-02 04:22:47,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:47,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:47,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:47,462 INFO L85 PathProgramCache]: Analyzing trace with hash 840179199, now seen corresponding path program 1 times [2023-04-02 04:22:47,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:47,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535375491] [2023-04-02 04:22:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:47,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:47,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:47,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535375491] [2023-04-02 04:22:47,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535375491] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:47,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:47,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:47,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905310023] [2023-04-02 04:22:47,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:47,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:47,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:47,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:47,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:47,537 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:47,786 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2023-04-02 04:22:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:47,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:22:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:47,788 INFO L225 Difference]: With dead ends: 176 [2023-04-02 04:22:47,788 INFO L226 Difference]: Without dead ends: 116 [2023-04-02 04:22:47,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:47,789 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 85 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:47,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 24 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-04-02 04:22:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2023-04-02 04:22:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 60 states have internal predecessors, (66), 22 states have call successors, (22), 21 states have call predecessors, (22), 17 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-02 04:22:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2023-04-02 04:22:47,808 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2023-04-02 04:22:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:47,809 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2023-04-02 04:22:47,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2023-04-02 04:22:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:22:47,810 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:47,810 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] [2023-04-02 04:22:47,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:47,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:47,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:47,811 INFO L85 PathProgramCache]: Analyzing trace with hash 812423848, now seen corresponding path program 1 times [2023-04-02 04:22:47,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:47,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135530413] [2023-04-02 04:22:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:47,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:22:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:47,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135530413] [2023-04-02 04:22:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135530413] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132373927] [2023-04-02 04:22:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:47,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:47,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:47,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:47,943 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:48,290 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2023-04-02 04:22:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:22:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-04-02 04:22:48,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:48,291 INFO L225 Difference]: With dead ends: 185 [2023-04-02 04:22:48,291 INFO L226 Difference]: Without dead ends: 116 [2023-04-02 04:22:48,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:22:48,292 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 150 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:48,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 33 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-04-02 04:22:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2023-04-02 04:22:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 59 states have internal predecessors, (65), 22 states have call successors, (22), 21 states have call predecessors, (22), 17 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-02 04:22:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2023-04-02 04:22:48,307 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2023-04-02 04:22:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:48,307 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2023-04-02 04:22:48,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2023-04-02 04:22:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:22:48,309 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:48,309 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] [2023-04-02 04:22:48,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:48,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:48,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1949353680, now seen corresponding path program 1 times [2023-04-02 04:22:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:48,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525776548] [2023-04-02 04:22:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:22:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:22:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:48,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:48,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525776548] [2023-04-02 04:22:48,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525776548] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:48,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:22:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709778027] [2023-04-02 04:22:48,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:48,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:22:48,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:48,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:22:48,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:22:48,472 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-02 04:22:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:49,168 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2023-04-02 04:22:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:22:49,168 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 59 [2023-04-02 04:22:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:49,171 INFO L225 Difference]: With dead ends: 352 [2023-04-02 04:22:49,171 INFO L226 Difference]: Without dead ends: 283 [2023-04-02 04:22:49,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:22:49,172 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 394 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:49,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 87 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-04-02 04:22:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2023-04-02 04:22:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 129 states have (on average 1.2248062015503876) internal successors, (158), 145 states have internal predecessors, (158), 47 states have call successors, (47), 42 states have call predecessors, (47), 41 states have return successors, (51), 38 states have call predecessors, (51), 43 states have call successors, (51) [2023-04-02 04:22:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2023-04-02 04:22:49,228 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2023-04-02 04:22:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:49,228 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2023-04-02 04:22:49,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-02 04:22:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2023-04-02 04:22:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-02 04:22:49,230 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:49,230 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] [2023-04-02 04:22:49,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:49,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:49,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:49,230 INFO L85 PathProgramCache]: Analyzing trace with hash 948758102, now seen corresponding path program 1 times [2023-04-02 04:22:49,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:49,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618790193] [2023-04-02 04:22:49,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:49,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 04:22:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:22:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:22:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618790193] [2023-04-02 04:22:49,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618790193] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:49,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:49,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:22:49,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43828279] [2023-04-02 04:22:49,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:22:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:49,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:22:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:22:49,316 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:22:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:49,474 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2023-04-02 04:22:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:22:49,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 63 [2023-04-02 04:22:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:49,476 INFO L225 Difference]: With dead ends: 357 [2023-04-02 04:22:49,476 INFO L226 Difference]: Without dead ends: 163 [2023-04-02 04:22:49,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:22:49,477 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 170 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:49,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 22 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:49,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-04-02 04:22:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2023-04-02 04:22:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 93 states have (on average 1.1935483870967742) internal successors, (111), 100 states have internal predecessors, (111), 30 states have call successors, (30), 30 states have call predecessors, (30), 27 states have return successors, (27), 26 states have call predecessors, (27), 26 states have call successors, (27) [2023-04-02 04:22:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2023-04-02 04:22:49,493 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2023-04-02 04:22:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:49,493 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2023-04-02 04:22:49,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:22:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2023-04-02 04:22:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-02 04:22:49,494 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:49,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:49,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:49,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:49,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:49,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1717966149, now seen corresponding path program 1 times [2023-04-02 04:22:49,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:49,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511361612] [2023-04-02 04:22:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:22:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 04:22:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:22:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 04:22:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:22:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:22:49,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511361612] [2023-04-02 04:22:49,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511361612] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212871070] [2023-04-02 04:22:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:49,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:49,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:49,667 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) [2023-04-02 04:22:49,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:22:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:49,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:49,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:49,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 04:22:50,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212871070] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:50,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:50,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:22:50,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192964001] [2023-04-02 04:22:50,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:50,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:22:50,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:50,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:22:50,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:22:50,229 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 04:22:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:50,731 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2023-04-02 04:22:50,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:22:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) Word has length 98 [2023-04-02 04:22:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:50,732 INFO L225 Difference]: With dead ends: 203 [2023-04-02 04:22:50,732 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:50,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 219 SyntacticMatches, 8 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:22:50,734 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 288 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:50,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 102 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:50,734 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) [2023-04-02 04:22:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:50,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2023-04-02 04:22:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:50,735 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:50,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 04:22:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:50,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:50,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:50,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:22:50,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 04:22:50,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:52,383 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:52,383 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:52,383 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:52,383 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2023-04-02 04:22:52,383 INFO L899 garLoopResultBuilder]: For program point L219-1(lines 219 223) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 234) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 188 243) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L235(lines 212 236) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 188 243) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 188 243) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L289(line 289) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L289-1(line 289) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 244 303) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L276-1(lines 276 280) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L271(line 271) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 295) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 244 303) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 244 303) no Hoare annotation was computed. [2023-04-02 04:22:52,384 INFO L899 garLoopResultBuilder]: For program point L296(lines 269 297) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 882 890) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 882 890) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 890) the Hoare annotation is: true [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 512 536) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,385 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 512 536) the Hoare annotation is: true [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 533) no Hoare annotation was computed. [2023-04-02 04:22:52,385 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 512 536) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L902 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: true [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 616 638) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L895 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,386 INFO L895 garLoopResultBuilder]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 633) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point L626-1(lines 626 633) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point L624(line 624) no Hoare annotation was computed. [2023-04-02 04:22:52,386 INFO L895 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,386 INFO L895 garLoopResultBuilder]: At program point L622(line 622) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,386 INFO L895 garLoopResultBuilder]: At program point L622-1(line 622) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,386 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 616 638) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 616 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 571 594) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 571 594) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 571 594) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L585(line 585) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L583(line 583) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L580(line 580) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-02 04:22:52,387 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 868 874) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 868 874) the Hoare annotation is: true [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 482) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 455 500) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 489) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 469 489) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 455 500) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 455 500) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L895 garLoopResultBuilder]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L895 garLoopResultBuilder]: At program point L691(line 691) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,388 INFO L895 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,388 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 693) no Hoare annotation was computed. [2023-04-02 04:22:52,388 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L683-1(line 683) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 677 701) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 698) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 843) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 792 855) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L822-1(lines 822 828) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L895 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:52,389 INFO L895 garLoopResultBuilder]: At program point L845(lines 802 847) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 818) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2023-04-02 04:22:52,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 855) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,389 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L895 garLoopResultBuilder]: At program point L848(lines 801 849) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L895 garLoopResultBuilder]: At program point L838-2(lines 832 843) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L803(lines 802 847) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 792 855) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 119) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L111-2(lines 111 119) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-04-02 04:22:52,390 INFO L899 garLoopResultBuilder]: For program point L715-1(line 715) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 710 726) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 126 134) the Hoare annotation is: true [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 126 134) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 126 134) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 102) the Hoare annotation is: true [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L895 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:52,391 INFO L895 garLoopResultBuilder]: At program point L656(lines 656 662) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:52,391 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 645 668) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point L649(lines 648 667) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2023-04-02 04:22:52,391 INFO L899 garLoopResultBuilder]: For program point L546-1(line 546) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 540 569) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point L565(lines 540 569) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 540 569) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point L554-1(lines 554 558) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point L550-2(lines 550 564) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 58 69) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 58 69) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 58 69) the Hoare annotation is: true [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2023-04-02 04:22:52,392 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 502 509) the Hoare annotation is: true [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 875 881) the Hoare annotation is: true [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 875 881) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 669 675) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 669 675) the Hoare annotation is: true [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 702 709) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 702 709) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 702 709) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 754) the Hoare annotation is: true [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point L762-2(lines 762 770) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point L785(line 785) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point L785-1(line 785) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 755 790) no Hoare annotation was computed. [2023-04-02 04:22:52,393 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 755 790) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 782) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 755 790) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 142 187) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 142 187) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 142 187) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 603 612) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 603 612) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2023-04-02 04:22:52,394 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 735 745) the Hoare annotation is: true [2023-04-02 04:22:52,394 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2023-04-02 04:22:52,408 INFO L902 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: true [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L740-1(line 740) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 727 734) the Hoare annotation is: true [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 409 454) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 409 454) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 409 454) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 443) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L423-1(lines 423 443) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L355-2(lines 355 375) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L376(lines 354 377) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 351) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 402) no Hoare annotation was computed. [2023-04-02 04:22:52,409 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 306 408) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 306 408) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L356(lines 355 375) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L387(line 387) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L387-1(line 387) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 393) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L371(line 371) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L371-1(line 371) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 306 408) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 405) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 858 867) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 858 867) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 858 867) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:22:52,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,410 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 595 601) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 595 601) the Hoare annotation is: true [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:22:52,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:52,411 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:52,414 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:52,415 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:52,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:52 BoogieIcfgContainer [2023-04-02 04:22:52,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:52,456 INFO L158 Benchmark]: Toolchain (without parser) took 7239.24ms. Allocated memory was 329.3MB in the beginning and 477.1MB in the end (delta: 147.8MB). Free memory was 278.6MB in the beginning and 365.2MB in the end (delta: -86.6MB). Peak memory consumption was 263.9MB. Max. memory is 8.0GB. [2023-04-02 04:22:52,456 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:52,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.70ms. Allocated memory is still 329.3MB. Free memory was 278.4MB in the beginning and 260.2MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:22:52,456 INFO L158 Benchmark]: Boogie Preprocessor took 74.28ms. Allocated memory is still 329.3MB. Free memory was 260.2MB in the beginning and 257.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:22:52,456 INFO L158 Benchmark]: RCFGBuilder took 842.38ms. Allocated memory is still 329.3MB. Free memory was 257.0MB in the beginning and 279.8MB in the end (delta: -22.7MB). Peak memory consumption was 26.9MB. Max. memory is 8.0GB. [2023-04-02 04:22:52,457 INFO L158 Benchmark]: TraceAbstraction took 5865.43ms. Allocated memory was 329.3MB in the beginning and 477.1MB in the end (delta: 147.8MB). Free memory was 278.7MB in the beginning and 365.2MB in the end (delta: -86.5MB). Peak memory consumption was 263.2MB. Max. memory is 8.0GB. [2023-04-02 04:22:52,457 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 164.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 449.70ms. Allocated memory is still 329.3MB. Free memory was 278.4MB in the beginning and 260.2MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.28ms. Allocated memory is still 329.3MB. Free memory was 260.2MB in the beginning and 257.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 842.38ms. Allocated memory is still 329.3MB. Free memory was 257.0MB in the beginning and 279.8MB in the end (delta: -22.7MB). Peak memory consumption was 26.9MB. Max. memory is 8.0GB. * TraceAbstraction took 5865.43ms. Allocated memory was 329.3MB in the beginning and 477.1MB in the end (delta: 147.8MB). Free memory was 278.7MB in the beginning and 365.2MB in the end (delta: -86.5MB). Peak memory consumption was 263.2MB. 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: 506]: 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 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1207 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1162 mSDsluCounter, 286 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 614 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2584 IncrementalHoareTripleChecker+Invalid, 3198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 614 mSolverCounterUnsat, 69 mSDtfsCounter, 2584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 307 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 752 HoareAnnotationTreeSize, 294 FomulaSimplifications, 6777 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1338 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 3 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/93 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: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:52,470 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...