/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:58:04,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:58:04,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:58:04,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:58:04,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:58:04,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:58:04,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:58:04,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:58:04,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:58:04,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:58:04,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:58:04,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:58:04,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:58:04,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:58:04,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:58:04,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:58:04,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:58:04,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:58:04,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:58:04,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:58:04,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:58:04,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:58:04,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:58:04,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:58:04,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:58:04,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:58:04,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:58:04,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:58:04,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:58:04,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:58:04,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:58:04,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:58:04,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:58:04,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:58:04,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:58:04,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:58:04,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:58:04,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:58:04,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:58:04,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:58:04,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:58:04,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:58:04,961 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:58:04,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:58:04,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:58:04,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:58:04,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:58:04,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:58:04,963 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:58:04,964 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:58:04,964 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:58:04,964 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:58:04,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:58:04,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:58:04,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:58:04,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:58:04,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:58:04,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:58:04,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:58:04,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:58:04,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:58:05,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:58:05,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:58:05,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:58:05,159 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:58:05,160 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:58:05,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-04-01 05:58:06,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:58:06,388 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:58:06,388 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-04-01 05:58:06,396 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c845360/72dfdd1e2902473a80d82cadb26af039/FLAGba7be6b96 [2023-04-01 05:58:06,408 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c845360/72dfdd1e2902473a80d82cadb26af039 [2023-04-01 05:58:06,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:58:06,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:58:06,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:58:06,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:58:06,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:58:06,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224b53bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06, skipping insertion in model container [2023-04-01 05:58:06,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:58:06,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:58:06,691 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_product12.cil.c[17234,17247] [2023-04-01 05:58:06,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:58:06,710 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:58:06,778 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_product12.cil.c[17234,17247] [2023-04-01 05:58:06,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:58:06,792 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:58:06,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06 WrapperNode [2023-04-01 05:58:06,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:58:06,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:58:06,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:58:06,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:58:06,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:58:06,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:58:06,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:58:06,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:58:06,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (1/1) ... [2023-04-01 05:58:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:58:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:58:06,895 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) [2023-04-01 05:58:06,897 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 [2023-04-01 05:58:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:58:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:58:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:58:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:58:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:58:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:58:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:58:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:58:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:58:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:58:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:58:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:58:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:58:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:58:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:58:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:58:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:58:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:58:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:58:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-01 05:58:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 05:58:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-01 05:58:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:58:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:58:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:58:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:58:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:58:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:58:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:58:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:58:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:58:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:58:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:58:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:58:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:58:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:58:07,079 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:58:07,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:58:07,485 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:58:07,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:58:07,635 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:58:07,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:58:07 BoogieIcfgContainer [2023-04-01 05:58:07,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:58:07,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:58:07,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:58:07,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:58:07,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:58:06" (1/3) ... [2023-04-01 05:58:07,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a9d033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:58:07, skipping insertion in model container [2023-04-01 05:58:07,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:58:06" (2/3) ... [2023-04-01 05:58:07,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a9d033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:58:07, skipping insertion in model container [2023-04-01 05:58:07,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:58:07" (3/3) ... [2023-04-01 05:58:07,651 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2023-04-01 05:58:07,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:58:07,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:58:07,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:58:07,721 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e4c981a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:58:07,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:58:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 62 states have internal predecessors, (66), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-04-01 05:58:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-01 05:58:07,732 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:07,732 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] [2023-04-01 05:58:07,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:07,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:07,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1719895190, now seen corresponding path program 1 times [2023-04-01 05:58:07,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:07,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057452895] [2023-04-01 05:58:07,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:07,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:07,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:07,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057452895] [2023-04-01 05:58:07,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057452895] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:07,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:07,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:58:07,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007851210] [2023-04-01 05:58:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:07,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:58:07,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:08,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:58:08,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:58:08,014 INFO L87 Difference]: Start difference. First operand has 115 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 62 states have internal predecessors, (66), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:08,077 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2023-04-01 05:58:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:58:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 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 42 [2023-04-01 05:58:08,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:08,088 INFO L225 Difference]: With dead ends: 163 [2023-04-01 05:58:08,088 INFO L226 Difference]: Without dead ends: 82 [2023-04-01 05:58:08,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:58:08,095 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:08,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:08,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-04-01 05:58:08,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-04-01 05:58:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 50 states have internal predecessors, (52), 23 states have call successors, (23), 21 states have call predecessors, (23), 16 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-01 05:58:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2023-04-01 05:58:08,137 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2023-04-01 05:58:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:08,137 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2023-04-01 05:58:08,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-04-01 05:58:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 05:58:08,142 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:08,143 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] [2023-04-01 05:58:08,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:58:08,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:08,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:08,144 INFO L85 PathProgramCache]: Analyzing trace with hash -241282654, now seen corresponding path program 1 times [2023-04-01 05:58:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:08,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539522968] [2023-04-01 05:58:08,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:08,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:08,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539522968] [2023-04-01 05:58:08,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539522968] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:08,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:08,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:58:08,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280352015] [2023-04-01 05:58:08,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:08,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:58:08,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:58:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:08,255 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:08,288 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2023-04-01 05:58:08,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:58:08,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 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 43 [2023-04-01 05:58:08,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:08,289 INFO L225 Difference]: With dead ends: 109 [2023-04-01 05:58:08,290 INFO L226 Difference]: Without dead ends: 74 [2023-04-01 05:58:08,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:08,291 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:08,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-01 05:58:08,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-01 05:58:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 45 states have internal predecessors, (46), 20 states have call successors, (20), 20 states have call predecessors, (20), 16 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-01 05:58:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2023-04-01 05:58:08,298 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2023-04-01 05:58:08,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:08,298 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2023-04-01 05:58:08,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:58:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-04-01 05:58:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 05:58:08,299 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:08,299 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] [2023-04-01 05:58:08,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:58:08,300 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:08,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:08,300 INFO L85 PathProgramCache]: Analyzing trace with hash 159191713, now seen corresponding path program 1 times [2023-04-01 05:58:08,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:08,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682604920] [2023-04-01 05:58:08,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:08,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:08,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:08,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682604920] [2023-04-01 05:58:08,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682604920] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:08,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:08,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:58:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757890897] [2023-04-01 05:58:08,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:08,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:58:08,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:08,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:58:08,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:58:08,503 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:58:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:08,654 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2023-04-01 05:58:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:58:08,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 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 47 [2023-04-01 05:58:08,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:08,656 INFO L225 Difference]: With dead ends: 223 [2023-04-01 05:58:08,656 INFO L226 Difference]: Without dead ends: 171 [2023-04-01 05:58:08,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:58:08,657 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 115 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:08,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 316 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:58:08,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-04-01 05:58:08,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2023-04-01 05:58:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 95 states have internal predecessors, (105), 35 states have call successors, (35), 35 states have call predecessors, (35), 31 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2023-04-01 05:58:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2023-04-01 05:58:08,681 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2023-04-01 05:58:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:08,681 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2023-04-01 05:58:08,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:58:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2023-04-01 05:58:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 05:58:08,682 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:08,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:58:08,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:58:08,683 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:08,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:08,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1891948902, now seen corresponding path program 1 times [2023-04-01 05:58:08,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:08,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16441836] [2023-04-01 05:58:08,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:08,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:08,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16441836] [2023-04-01 05:58:08,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16441836] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:08,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:08,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:58:08,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499606700] [2023-04-01 05:58:08,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:08,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:58:08,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:08,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:58:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:58:08,934 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 05:58:09,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:09,156 INFO L93 Difference]: Finished difference Result 491 states and 610 transitions. [2023-04-01 05:58:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 05:58:09,156 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-01 05:58:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:09,164 INFO L225 Difference]: With dead ends: 491 [2023-04-01 05:58:09,164 INFO L226 Difference]: Without dead ends: 364 [2023-04-01 05:58:09,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-01 05:58:09,174 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 95 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:09,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 450 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:58:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-04-01 05:58:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 340. [2023-04-01 05:58:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 199 states have (on average 1.2864321608040201) internal successors, (256), 227 states have internal predecessors, (256), 72 states have call successors, (72), 72 states have call predecessors, (72), 68 states have return successors, (79), 68 states have call predecessors, (79), 68 states have call successors, (79) [2023-04-01 05:58:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 407 transitions. [2023-04-01 05:58:09,215 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 407 transitions. Word has length 50 [2023-04-01 05:58:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:09,216 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 407 transitions. [2023-04-01 05:58:09,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 05:58:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 407 transitions. [2023-04-01 05:58:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-01 05:58:09,221 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:09,222 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] [2023-04-01 05:58:09,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:58:09,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:09,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1877251118, now seen corresponding path program 1 times [2023-04-01 05:58:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:09,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377701472] [2023-04-01 05:58:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:09,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:58:09,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:09,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377701472] [2023-04-01 05:58:09,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377701472] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:09,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:09,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:58:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139220370] [2023-04-01 05:58:09,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:09,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:58:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:58:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:09,308 INFO L87 Difference]: Start difference. First operand 340 states and 407 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:58:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:09,339 INFO L93 Difference]: Finished difference Result 640 states and 781 transitions. [2023-04-01 05:58:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:58:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 53 [2023-04-01 05:58:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:09,343 INFO L225 Difference]: With dead ends: 640 [2023-04-01 05:58:09,343 INFO L226 Difference]: Without dead ends: 322 [2023-04-01 05:58:09,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:58:09,346 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 51 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:09,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:58:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-04-01 05:58:09,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2023-04-01 05:58:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 193 states have (on average 1.233160621761658) internal successors, (238), 215 states have internal predecessors, (238), 66 states have call successors, (66), 66 states have call predecessors, (66), 62 states have return successors, (65), 62 states have call predecessors, (65), 62 states have call successors, (65) [2023-04-01 05:58:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 369 transitions. [2023-04-01 05:58:09,381 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 369 transitions. Word has length 53 [2023-04-01 05:58:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:09,381 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 369 transitions. [2023-04-01 05:58:09,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:58:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 369 transitions. [2023-04-01 05:58:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-04-01 05:58:09,383 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:58:09,383 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:58:09,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:58:09,384 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:58:09,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:58:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2019456492, now seen corresponding path program 1 times [2023-04-01 05:58:09,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:58:09,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435808735] [2023-04-01 05:58:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:58:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:58:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:58:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 05:58:09,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:58:09,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435808735] [2023-04-01 05:58:09,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435808735] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:58:09,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:58:09,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:58:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144910277] [2023-04-01 05:58:09,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:58:09,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:58:09,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:58:09,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:58:09,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:58:09,487 INFO L87 Difference]: Start difference. First operand 322 states and 369 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 05:58:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:58:09,594 INFO L93 Difference]: Finished difference Result 328 states and 375 transitions. [2023-04-01 05:58:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:58:09,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 79 [2023-04-01 05:58:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:58:09,596 INFO L225 Difference]: With dead ends: 328 [2023-04-01 05:58:09,596 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:58:09,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:58:09,597 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 49 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:58:09,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 207 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:58:09,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:58:09,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:58:09,598 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) [2023-04-01 05:58:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:58:09,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2023-04-01 05:58:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:58:09,599 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:58:09,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-01 05:58:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:58:09,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:58:09,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:58:09,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:58:09,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:58:10,144 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L599-2(lines 599 620) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L621(lines 598 622) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 574 629) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 574 629) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 630 689) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L656-2(lines 656 681) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point L682(lines 655 683) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 630 689) no Hoare annotation was computed. [2023-04-01 05:58:10,145 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 630 689) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L675(line 675) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L675-1(line 675) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 416 424) the Hoare annotation is: true [2023-04-01 05:58:10,146 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~waterLevel~0 0)) [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L148-1(line 148) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2023-04-01 05:58:10,146 INFO L902 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: true [2023-04-01 05:58:10,147 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2023-04-01 05:58:10,147 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 162) the Hoare annotation is: true [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point L510-1(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,147 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2023-04-01 05:58:10,147 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 515) no Hoare annotation was computed. [2023-04-01 05:58:10,147 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,147 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 498 520) no Hoare annotation was computed. [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point L504-1(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,147 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 457 480) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 457 480) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L475(line 475) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L469(line 469) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 05:58:10,148 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 457 480) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 364 378) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 378) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-01 05:58:10,149 INFO L895 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 841 886) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 841 886) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 267 273) no Hoare annotation was computed. [2023-04-01 05:58:10,149 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 267 273) the Hoare annotation is: true [2023-04-01 05:58:10,149 INFO L895 garLoopResultBuilder]: At program point L225(lines 178 227) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,149 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 194) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 168 235) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point L228(lines 177 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point L216-1(lines 208 223) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L179(lines 178 227) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 223) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 204) no Hoare annotation was computed. [2023-04-01 05:58:10,150 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 168 235) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 125) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 103 125) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point L288-1(line 288) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 283 299) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 283 299) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 283 299) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 126 134) the Hoare annotation is: true [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 126 134) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 94 102) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-04-01 05:58:10,151 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:58:10,151 INFO L895 garLoopResultBuilder]: At program point L254(lines 254 260) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)))) [2023-04-01 05:58:10,151 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point L247(lines 246 265) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 243 266) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 243 266) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)))) [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 243 266) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 456) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 58 69) no Hoare annotation was computed. [2023-04-01 05:58:10,152 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 58 69) the Hoare annotation is: true [2023-04-01 05:58:10,152 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 379 386) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 386) the Hoare annotation is: true [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2023-04-01 05:58:10,153 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 888 895) the Hoare annotation is: true [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 888 895) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 274 281) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 274 281) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 319 327) the Hoare annotation is: true [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 328 363) no Hoare annotation was computed. [2023-04-01 05:58:10,153 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 528 573) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 528 573) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 488 497) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 488 497) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 488 497) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 308 318) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point L313-1(line 313) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 307) the Hoare annotation is: true [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 795 840) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 795 840) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 392 401) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 392 401) no Hoare annotation was computed. [2023-04-01 05:58:10,154 INFO L899 garLoopResultBuilder]: For program point L762(lines 740 763) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 737) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 692 794) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L742(lines 741 761) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 692 794) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L773(line 773) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 779) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L757(line 757) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 692 794) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point L741-2(lines 741 761) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:58:10,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:10,155 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 481 487) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 481 487) the Hoare annotation is: true [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-01 05:58:10,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:58:10,156 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:58:10,158 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-01 05:58:10,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:58:10,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:58:10 BoogieIcfgContainer [2023-04-01 05:58:10,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:58:10,168 INFO L158 Benchmark]: Toolchain (without parser) took 3757.30ms. Allocated memory was 189.8MB in the beginning and 280.0MB in the end (delta: 90.2MB). Free memory was 155.1MB in the beginning and 181.8MB in the end (delta: -26.6MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. [2023-04-01 05:58:10,169 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:58:10,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.53ms. Allocated memory is still 189.8MB. Free memory was 155.1MB in the beginning and 137.0MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 05:58:10,169 INFO L158 Benchmark]: Boogie Preprocessor took 67.10ms. Allocated memory is still 189.8MB. Free memory was 137.0MB in the beginning and 133.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:58:10,169 INFO L158 Benchmark]: RCFGBuilder took 778.71ms. Allocated memory is still 189.8MB. Free memory was 133.5MB in the beginning and 146.1MB in the end (delta: -12.6MB). Peak memory consumption was 46.5MB. Max. memory is 8.0GB. [2023-04-01 05:58:10,169 INFO L158 Benchmark]: TraceAbstraction took 2524.78ms. Allocated memory was 189.8MB in the beginning and 280.0MB in the end (delta: 90.2MB). Free memory was 145.6MB in the beginning and 181.8MB in the end (delta: -36.2MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2023-04-01 05:58:10,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 380.53ms. Allocated memory is still 189.8MB. Free memory was 155.1MB in the beginning and 137.0MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.10ms. Allocated memory is still 189.8MB. Free memory was 137.0MB in the beginning and 133.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 778.71ms. Allocated memory is still 189.8MB. Free memory was 133.5MB in the beginning and 146.1MB in the end (delta: -12.6MB). Peak memory consumption was 46.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2524.78ms. Allocated memory was 189.8MB in the beginning and 280.0MB in the end (delta: 90.2MB). Free memory was 145.6MB in the beginning and 181.8MB in the end (delta: -36.2MB). Peak memory consumption was 53.5MB. 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: 892]: 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 38 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 333 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 1253 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 835 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 540 IncrementalHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 418 mSDtfsCounter, 540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=4, InterpolantAutomatonStates: 36, 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, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 377 PreInvPairs, 438 NumberOfFragments, 478 HoareAnnotationTreeSize, 377 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2159 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 21/21 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: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 05:58:10,199 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...