/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_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:16:38,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:16:38,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:16:38,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:16:38,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:16:38,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:16:38,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:16:38,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:16:38,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:16:38,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:16:38,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:16:38,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:16:38,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:16:38,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:16:38,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:16:38,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:16:38,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:16:38,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:16:38,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:16:38,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:16:38,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:16:38,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:16:38,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:16:38,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:16:38,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:16:38,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:16:38,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:16:38,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:16:38,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:16:38,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:16:38,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:16:38,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:16:38,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:16:38,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:16:38,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:16:38,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:16:38,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:16:38,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:16:38,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:16:38,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:16:38,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:16:38,813 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 04:16:38,836 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:16:38,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:16:38,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:16:38,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:16:38,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:16:38,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:16:38,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:16:38,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:16:38,839 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:16:38,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:16:38,839 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:16:38,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:16:38,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:16:38,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:16:38,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:16:38,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:16:38,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:16:38,842 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:16:38,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:16:38,842 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:16:38,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:16:39,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:16:39,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:16:39,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:16:39,062 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:16:39,062 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:16:39,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2023-04-02 04:16:40,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:16:40,468 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:16:40,469 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2023-04-02 04:16:40,479 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac16444c/cbb5a4bd326e4b049ace2405375423ec/FLAGb488b4838 [2023-04-02 04:16:40,492 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac16444c/cbb5a4bd326e4b049ace2405375423ec [2023-04-02 04:16:40,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:16:40,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:16:40,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:16:40,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:16:40,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:16:40,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bc5897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40, skipping insertion in model container [2023-04-02 04:16:40,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:16:40,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:16:40,754 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_spec3_product30.cil.c[17441,17454] [2023-04-02 04:16:40,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:16:40,770 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:16:40,823 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_spec3_product30.cil.c[17441,17454] [2023-04-02 04:16:40,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:16:40,850 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:16:40,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40 WrapperNode [2023-04-02 04:16:40,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:16:40,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:16:40,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:16:40,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:16:40,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:16:40,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:16:40,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:16:40,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:16:40,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (1/1) ... [2023-04-02 04:16:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:16:40,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:16:40,937 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 04:16:40,962 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 04:16:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:16:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:16:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:16:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:16:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:16:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:16:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-02 04:16:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:16:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:16:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:16:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:16:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:16:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:16:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:16:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:16:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:16:41,159 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:16:41,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:16:41,695 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:16:41,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:16:41,701 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:16:41,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:16:41 BoogieIcfgContainer [2023-04-02 04:16:41,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:16:41,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:16:41,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:16:41,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:16:41,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:16:40" (1/3) ... [2023-04-02 04:16:41,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b79bc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:16:41, skipping insertion in model container [2023-04-02 04:16:41,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:16:40" (2/3) ... [2023-04-02 04:16:41,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b79bc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:16:41, skipping insertion in model container [2023-04-02 04:16:41,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:16:41" (3/3) ... [2023-04-02 04:16:41,712 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2023-04-02 04:16:41,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:16:41,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:16:41,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:16:41,772 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;@78204307, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:16:41,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:16:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 99 states have (on average 1.292929292929293) internal successors, (128), 113 states have internal predecessors, (128), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-02 04:16:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:16:41,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:16:41,786 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] [2023-04-02 04:16:41,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:16:41,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:16:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1827430878, now seen corresponding path program 1 times [2023-04-02 04:16:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:16:41,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466163333] [2023-04-02 04:16:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:16:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:16:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:16:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:16:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:16:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:16:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:16:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:16:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:16:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:16:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,069 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 04:16:42,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:16:42,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466163333] [2023-04-02 04:16:42,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466163333] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:16:42,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:16:42,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:16:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594908232] [2023-04-02 04:16:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:16:42,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:16:42,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:16:42,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:16:42,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:16:42,104 INFO L87 Difference]: Start difference. First operand has 180 states, 99 states have (on average 1.292929292929293) internal successors, (128), 113 states have internal predecessors, (128), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:16:42,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:16:42,668 INFO L93 Difference]: Finished difference Result 300 states and 394 transitions. [2023-04-02 04:16:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:16:42,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2023-04-02 04:16:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:16:42,680 INFO L225 Difference]: With dead ends: 300 [2023-04-02 04:16:42,680 INFO L226 Difference]: Without dead ends: 162 [2023-04-02 04:16:42,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 04:16:42,690 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 95 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:16:42,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 21 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:16:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-04-02 04:16:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 129. [2023-04-02 04:16:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 32 states have call successors, (32), 26 states have call predecessors, (32), 21 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-02 04:16:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2023-04-02 04:16:42,761 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2023-04-02 04:16:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:16:42,762 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2023-04-02 04:16:42,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:16:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2023-04-02 04:16:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-02 04:16:42,765 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:16:42,765 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] [2023-04-02 04:16:42,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:16:42,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:16:42,766 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:16:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1751065388, now seen corresponding path program 1 times [2023-04-02 04:16:42,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:16:42,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052557791] [2023-04-02 04:16:42,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:16:42,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:16:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:16:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:16:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:16:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:16:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:16:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:16:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:16:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:16:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:42,941 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 04:16:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:16:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052557791] [2023-04-02 04:16:42,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052557791] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:16:42,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:16:42,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:16:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666660458] [2023-04-02 04:16:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:16:42,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:16:42,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:16:42,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:16:42,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:16:42,955 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:16:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:16:43,301 INFO L93 Difference]: Finished difference Result 229 states and 281 transitions. [2023-04-02 04:16:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:16:43,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-04-02 04:16:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:16:43,304 INFO L225 Difference]: With dead ends: 229 [2023-04-02 04:16:43,304 INFO L226 Difference]: Without dead ends: 146 [2023-04-02 04:16:43,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 04:16:43,305 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 105 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:16:43,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 28 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:16:43,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-04-02 04:16:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2023-04-02 04:16:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 79 states have internal predecessors, (86), 29 states have call successors, (29), 25 states have call predecessors, (29), 21 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:16:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2023-04-02 04:16:43,326 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2023-04-02 04:16:43,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:16:43,327 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2023-04-02 04:16:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:16:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2023-04-02 04:16:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-02 04:16:43,328 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:16:43,328 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] [2023-04-02 04:16:43,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:16:43,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:16:43,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:16:43,329 INFO L85 PathProgramCache]: Analyzing trace with hash 565319140, now seen corresponding path program 1 times [2023-04-02 04:16:43,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:16:43,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724293974] [2023-04-02 04:16:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:16:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:16:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:16:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:16:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:16:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:16:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:16:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:16:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:16:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:16:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:43,512 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 04:16:43,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:16:43,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724293974] [2023-04-02 04:16:43,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724293974] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:16:43,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:16:43,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:16:43,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064022875] [2023-04-02 04:16:43,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:16:43,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:16:43,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:16:43,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:16:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:16:43,514 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:16:43,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:16:43,959 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2023-04-02 04:16:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:16:43,960 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 58 [2023-04-02 04:16:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:16:43,961 INFO L225 Difference]: With dead ends: 242 [2023-04-02 04:16:43,961 INFO L226 Difference]: Without dead ends: 146 [2023-04-02 04:16:43,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 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 04:16:43,963 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 191 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:16:43,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 39 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:16:43,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-04-02 04:16:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2023-04-02 04:16:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 78 states have internal predecessors, (85), 29 states have call successors, (29), 25 states have call predecessors, (29), 21 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:16:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2023-04-02 04:16:43,984 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2023-04-02 04:16:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:16:43,985 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2023-04-02 04:16:43,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:16:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2023-04-02 04:16:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-02 04:16:43,986 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:16:43,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:16:43,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:16:43,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:16:43,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:16:43,987 INFO L85 PathProgramCache]: Analyzing trace with hash 346078691, now seen corresponding path program 1 times [2023-04-02 04:16:43,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:16:43,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060692398] [2023-04-02 04:16:43,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:16:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:16:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:16:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:16:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:16:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:16:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:16:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:16:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:16:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:16:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:16:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 04:16:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 04:16:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:16:44,181 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 04:16:44,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:16:44,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060692398] [2023-04-02 04:16:44,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060692398] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:16:44,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:16:44,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:16:44,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487303092] [2023-04-02 04:16:44,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:16:44,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:16:44,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:16:44,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:16:44,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:16:44,183 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:16:44,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:16:44,776 INFO L93 Difference]: Finished difference Result 363 states and 474 transitions. [2023-04-02 04:16:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 04:16:44,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2023-04-02 04:16:44,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:16:44,781 INFO L225 Difference]: With dead ends: 363 [2023-04-02 04:16:44,781 INFO L226 Difference]: Without dead ends: 267 [2023-04-02 04:16:44,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:16:44,790 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 340 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:16:44,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 77 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:16:44,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-04-02 04:16:44,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2023-04-02 04:16:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 143 states have internal predecessors, (154), 50 states have call successors, (50), 40 states have call predecessors, (50), 39 states have return successors, (54), 39 states have call predecessors, (54), 46 states have call successors, (54) [2023-04-02 04:16:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2023-04-02 04:16:44,840 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 71 [2023-04-02 04:16:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:16:44,841 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2023-04-02 04:16:44,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:16:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2023-04-02 04:16:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-02 04:16:44,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:16:44,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:16:44,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:16:44,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:16:44,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:16:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash 529511177, now seen corresponding path program 1 times [2023-04-02 04:16:44,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:16:44,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218907740] [2023-04-02 04:16:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:16:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:16:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 04:16:44,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-02 04:16:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 04:16:44,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-02 04:16:44,900 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-02 04:16:44,901 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:16:44,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:16:44,904 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-02 04:16:44,907 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:16:44,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:16:44 BoogieIcfgContainer [2023-04-02 04:16:44,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:16:44,959 INFO L158 Benchmark]: Toolchain (without parser) took 4464.31ms. Allocated memory was 369.1MB in the beginning and 493.9MB in the end (delta: 124.8MB). Free memory was 324.9MB in the beginning and 255.0MB in the end (delta: 70.0MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. [2023-04-02 04:16:44,960 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:16:44,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.42ms. Allocated memory is still 369.1MB. Free memory was 324.4MB in the beginning and 306.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:16:44,960 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 369.1MB. Free memory was 306.0MB in the beginning and 302.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:16:44,961 INFO L158 Benchmark]: RCFGBuilder took 800.24ms. Allocated memory is still 369.1MB. Free memory was 302.4MB in the beginning and 263.0MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-04-02 04:16:44,961 INFO L158 Benchmark]: TraceAbstraction took 3254.38ms. Allocated memory was 369.1MB in the beginning and 493.9MB in the end (delta: 124.8MB). Free memory was 262.5MB in the beginning and 255.0MB in the end (delta: 7.6MB). Peak memory consumption was 133.4MB. Max. memory is 8.0GB. [2023-04-02 04:16:44,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.42ms. Allocated memory is still 369.1MB. Free memory was 324.4MB in the beginning and 306.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 369.1MB. Free memory was 306.0MB in the beginning and 302.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 800.24ms. Allocated memory is still 369.1MB. Free memory was 302.4MB in the beginning and 263.0MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3254.38ms. Allocated memory was 369.1MB in the beginning and 493.9MB in the end (delta: 124.8MB). Free memory was 262.5MB in the beginning and 255.0MB in the end (delta: 7.6MB). Peak memory consumption was 133.4MB. 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 - CounterExampleResult [Line: 893]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L146] int cleanupTimeShifts = 4; [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L685] int pumpRunning = 0; [L686] int systemActive = 1; VAL [\old(cleanupTimeShifts)=55, \old(head)={49:54}, \old(methaneLevelCritical)=53, \old(pumpRunning)=57, \old(systemActive)=52, \old(waterLevel)=51, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L225] int retValue_acc ; [L226] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L231] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L232] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L924] int retValue_acc ; [L927] retValue_acc = 1 [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L232] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L232] tmp = valid_product() [L234] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L236] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L237] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L216] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int splverifierCounter ; [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L623] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L625] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L627] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L633] tmp = __VERIFIER_nondet_int() [L635] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L637] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L643] tmp___0 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L653] tmp___2 = __VERIFIER_nondet_int() [L655] COND FALSE !(\read(tmp___2)) [L661] tmp___1 = __VERIFIER_nondet_int() [L663] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L670] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L934] int tmp ; [L935] int tmp___0 ; [L936] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L940] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] tmp = isMethaneLevelCritical() [L942] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L946] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L946] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L946] tmp___0 = getWaterLevel() [L948] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L950] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L817] int retValue_acc ; [L820] retValue_acc = pumpRunning [L821] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L950] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L950] tmp___1 = isPumpRunning() [L952] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L956] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L893] reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 784 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 731 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 390 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1832 IncrementalHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 390 mSolverCounterUnsat, 55 mSDtfsCounter, 1832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 27, 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, 4 MinimizatonAttempts, 136 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-04-02 04:16:44,977 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...