/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:53:33,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:53:33,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:53:33,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:53:33,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:53:33,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:53:33,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:53:33,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:53:34,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:53:34,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:53:34,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:53:34,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:53:34,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:53:34,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:53:34,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:53:34,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:53:34,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:53:34,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:53:34,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:53:34,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:53:34,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:53:34,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:53:34,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:53:34,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:53:34,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:53:34,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:53:34,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:53:34,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:53:34,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:53:34,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:53:34,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:53:34,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:53:34,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:53:34,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:53:34,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:53:34,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:53:34,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:53:34,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:53:34,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:53:34,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:53:34,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:53:34,045 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 [2023-03-31 23:53:34,076 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:53:34,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:53:34,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:53:34,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:53:34,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:53:34,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:53:34,078 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:53:34,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:53:34,079 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:53:34,079 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:53:34,079 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:53:34,080 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:53:34,080 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:53:34,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:53:34,081 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:53:34,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:53:34,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:53:34,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:53:34,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:53:34,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:53:34,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:53:34,083 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:53:34,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:53:34,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:53:34,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:53:34,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:53:34,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:53:34,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:53:34,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:53:34,345 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:53:34,345 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:53:34,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2023-03-31 23:53:35,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:53:35,901 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:53:35,901 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2023-03-31 23:53:35,915 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1519656/193f9c5cd49e4a1d93309e2796309906/FLAGc764dca2b [2023-03-31 23:53:35,932 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1519656/193f9c5cd49e4a1d93309e2796309906 [2023-03-31 23:53:35,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:53:35,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:53:35,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:53:35,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:53:35,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:53:35,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:35" (1/1) ... [2023-03-31 23:53:35,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294e3c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:35, skipping insertion in model container [2023-03-31 23:53:35,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:35" (1/1) ... [2023-03-31 23:53:35,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:53:35,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:53:36,149 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2023-03-31 23:53:36,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:53:36,268 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:53:36,283 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2023-03-31 23:53:36,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:53:36,345 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:53:36,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36 WrapperNode [2023-03-31 23:53:36,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:53:36,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:53:36,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:53:36,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:53:36,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:53:36,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:53:36,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:53:36,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:53:36,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (1/1) ... [2023-03-31 23:53:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:53:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:53:36,460 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) [2023-03-31 23:53:36,476 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 [2023-03-31 23:53:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:53:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:53:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:53:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:53:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:53:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:53:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:53:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:53:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:53:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:53:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:53:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:53:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:53:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:53:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:53:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:53:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:53:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:53:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:53:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:53:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:53:36,638 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:53:36,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:53:37,267 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:53:37,424 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:53:37,425 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:53:37,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:37 BoogieIcfgContainer [2023-03-31 23:53:37,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:53:37,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:53:37,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:53:37,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:53:37,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:53:35" (1/3) ... [2023-03-31 23:53:37,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6232e7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:53:37, skipping insertion in model container [2023-03-31 23:53:37,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:36" (2/3) ... [2023-03-31 23:53:37,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6232e7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:53:37, skipping insertion in model container [2023-03-31 23:53:37,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:37" (3/3) ... [2023-03-31 23:53:37,436 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2023-03-31 23:53:37,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:53:37,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:53:37,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:53:37,513 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;@316e083e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:53:37,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:53:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 87 states have internal predecessors, (93), 50 states have call successors, (50), 30 states have call predecessors, (50), 30 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2023-03-31 23:53:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:53:37,527 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:37,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:37,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:37,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:37,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1219736488, now seen corresponding path program 1 times [2023-03-31 23:53:37,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:37,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56686113] [2023-03-31 23:53:37,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:37,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:37,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:37,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56686113] [2023-03-31 23:53:37,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56686113] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:37,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:53:37,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713173763] [2023-03-31 23:53:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:37,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:53:37,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:37,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:53:37,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:53:37,844 INFO L87 Difference]: Start difference. First operand has 155 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 87 states have internal predecessors, (93), 50 states have call successors, (50), 30 states have call predecessors, (50), 30 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:37,942 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2023-03-31 23:53:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:53:37,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-03-31 23:53:37,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:37,955 INFO L225 Difference]: With dead ends: 240 [2023-03-31 23:53:37,956 INFO L226 Difference]: Without dead ends: 122 [2023-03-31 23:53:37,960 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 [2023-03-31 23:53:37,963 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:37,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:53:37,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-03-31 23:53:38,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-03-31 23:53:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 63 states have (on average 1.253968253968254) internal successors, (79), 75 states have internal predecessors, (79), 35 states have call successors, (35), 28 states have call predecessors, (35), 23 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-03-31 23:53:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2023-03-31 23:53:38,026 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 46 [2023-03-31 23:53:38,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:38,027 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2023-03-31 23:53:38,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2023-03-31 23:53:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 23:53:38,036 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:38,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:38,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:53:38,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:38,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash -465989898, now seen corresponding path program 1 times [2023-03-31 23:53:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:38,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318960860] [2023-03-31 23:53:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:38,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:38,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318960860] [2023-03-31 23:53:38,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318960860] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:38,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:38,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:53:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041886421] [2023-03-31 23:53:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:38,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:53:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:53:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:53:38,168 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:38,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:38,241 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2023-03-31 23:53:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:53:38,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-03-31 23:53:38,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:38,244 INFO L225 Difference]: With dead ends: 191 [2023-03-31 23:53:38,244 INFO L226 Difference]: Without dead ends: 114 [2023-03-31 23:53:38,245 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 [2023-03-31 23:53:38,246 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:38,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 220 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:53:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-03-31 23:53:38,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-03-31 23:53:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 70 states have internal predecessors, (73), 32 states have call successors, (32), 27 states have call predecessors, (32), 23 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-03-31 23:53:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2023-03-31 23:53:38,267 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2023-03-31 23:53:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:38,268 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2023-03-31 23:53:38,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2023-03-31 23:53:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-03-31 23:53:38,272 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:38,272 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] [2023-03-31 23:53:38,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:53:38,273 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:38,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1746493896, now seen corresponding path program 1 times [2023-03-31 23:53:38,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:38,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022320516] [2023-03-31 23:53:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:38,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:38,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022320516] [2023-03-31 23:53:38,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022320516] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:38,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:38,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:53:38,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285524297] [2023-03-31 23:53:38,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:38,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:53:38,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:38,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:53:38,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:53:38,558 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:53:38,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:38,882 INFO L93 Difference]: Finished difference Result 337 states and 408 transitions. [2023-03-31 23:53:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:53:38,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-03-31 23:53:38,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:38,886 INFO L225 Difference]: With dead ends: 337 [2023-03-31 23:53:38,886 INFO L226 Difference]: Without dead ends: 248 [2023-03-31 23:53:38,887 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 [2023-03-31 23:53:38,888 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 216 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:38,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 563 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:53:38,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-03-31 23:53:38,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2023-03-31 23:53:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 153 states have internal predecessors, (167), 63 states have call successors, (63), 53 states have call predecessors, (63), 47 states have return successors, (60), 47 states have call predecessors, (60), 59 states have call successors, (60) [2023-03-31 23:53:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 290 transitions. [2023-03-31 23:53:38,912 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 290 transitions. Word has length 50 [2023-03-31 23:53:38,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:38,912 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 290 transitions. [2023-03-31 23:53:38,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:53:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 290 transitions. [2023-03-31 23:53:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-03-31 23:53:38,913 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:38,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:38,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:53:38,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:38,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash -616123479, now seen corresponding path program 1 times [2023-03-31 23:53:38,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:38,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679498641] [2023-03-31 23:53:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:38,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:39,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:39,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679498641] [2023-03-31 23:53:39,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679498641] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:39,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:39,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:53:39,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671690113] [2023-03-31 23:53:39,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:39,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:53:39,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:39,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:53:39,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:53:39,004 INFO L87 Difference]: Start difference. First operand 240 states and 290 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:53:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:39,203 INFO L93 Difference]: Finished difference Result 562 states and 710 transitions. [2023-03-31 23:53:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:53:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2023-03-31 23:53:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:39,207 INFO L225 Difference]: With dead ends: 562 [2023-03-31 23:53:39,207 INFO L226 Difference]: Without dead ends: 347 [2023-03-31 23:53:39,208 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 [2023-03-31 23:53:39,209 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 99 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:39,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 470 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:53:39,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-03-31 23:53:39,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 333. [2023-03-31 23:53:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 188 states have (on average 1.2340425531914894) internal successors, (232), 208 states have internal predecessors, (232), 77 states have call successors, (77), 71 states have call predecessors, (77), 67 states have return successors, (89), 66 states have call predecessors, (89), 73 states have call successors, (89) [2023-03-31 23:53:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2023-03-31 23:53:39,255 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 55 [2023-03-31 23:53:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:39,255 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2023-03-31 23:53:39,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:53:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2023-03-31 23:53:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-03-31 23:53:39,257 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:39,257 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:39,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:53:39,258 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:39,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1247504108, now seen corresponding path program 1 times [2023-03-31 23:53:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244585720] [2023-03-31 23:53:39,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:53:39,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:39,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244585720] [2023-03-31 23:53:39,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244585720] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:39,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:39,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:53:39,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438751232] [2023-03-31 23:53:39,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:39,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:53:39,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:53:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:53:39,465 INFO L87 Difference]: Start difference. First operand 333 states and 398 transitions. Second operand has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:53:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:39,818 INFO L93 Difference]: Finished difference Result 910 states and 1146 transitions. [2023-03-31 23:53:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:53:39,819 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 85 [2023-03-31 23:53:39,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:39,822 INFO L225 Difference]: With dead ends: 910 [2023-03-31 23:53:39,822 INFO L226 Difference]: Without dead ends: 602 [2023-03-31 23:53:39,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 23:53:39,824 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 110 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:39,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 801 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:53:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-03-31 23:53:39,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 582. [2023-03-31 23:53:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 337 states have (on average 1.228486646884273) internal successors, (414), 367 states have internal predecessors, (414), 132 states have call successors, (132), 120 states have call predecessors, (132), 112 states have return successors, (164), 114 states have call predecessors, (164), 128 states have call successors, (164) [2023-03-31 23:53:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 710 transitions. [2023-03-31 23:53:39,889 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 710 transitions. Word has length 85 [2023-03-31 23:53:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:39,890 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 710 transitions. [2023-03-31 23:53:39,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:53:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 710 transitions. [2023-03-31 23:53:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-03-31 23:53:39,898 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:39,898 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:39,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:53:39,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:39,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:39,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1613004069, now seen corresponding path program 1 times [2023-03-31 23:53:39,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:39,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138487286] [2023-03-31 23:53:39,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 23:53:40,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138487286] [2023-03-31 23:53:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138487286] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:53:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243085643] [2023-03-31 23:53:40,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:40,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:53:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:53:40,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:53:40,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:53:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:40,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 25 conjunts are in the unsatisfiable core [2023-03-31 23:53:40,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:53:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 23:53:40,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 23:53:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243085643] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:40,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 23:53:40,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-03-31 23:53:40,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367188051] [2023-03-31 23:53:40,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:40,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 23:53:40,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:40,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 23:53:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 23:53:40,825 INFO L87 Difference]: Start difference. First operand 582 states and 710 transitions. Second operand has 11 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-03-31 23:53:41,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:41,196 INFO L93 Difference]: Finished difference Result 1602 states and 2006 transitions. [2023-03-31 23:53:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:53:41,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) Word has length 137 [2023-03-31 23:53:41,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:41,201 INFO L225 Difference]: With dead ends: 1602 [2023-03-31 23:53:41,201 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:53:41,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-03-31 23:53:41,205 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 103 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:41,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 701 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:53:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:53:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:53:41,207 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) [2023-03-31 23:53:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:53:41,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2023-03-31 23:53:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:41,207 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:53:41,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-03-31 23:53:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:53:41,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:53:41,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:53:41,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:53:41,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 23:53:41,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:53:42,771 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point L174-2(lines 174 195) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 149 204) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 149 204) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point L196(lines 173 197) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point L257(lines 230 258) no Hoare annotation was computed. [2023-03-31 23:53:42,772 INFO L899 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point L250-1(line 250) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 205 264) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 205 264) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 205 264) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 256) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-03-31 23:53:42,773 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-03-31 23:53:42,773 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 582 604) no Hoare annotation was computed. [2023-03-31 23:53:42,774 INFO L895 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-03-31 23:53:42,774 INFO L895 garLoopResultBuilder]: At program point L594-1(line 594) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-03-31 23:53:42,774 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2023-03-31 23:53:42,774 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 592 599) no Hoare annotation was computed. [2023-03-31 23:53:42,774 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-31 23:53:42,774 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,775 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,775 INFO L895 garLoopResultBuilder]: At program point L588-1(line 588) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,775 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 582 604) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 539 562) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 539 562) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-03-31 23:53:42,775 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 539 562) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L547(line 547) no Hoare annotation was computed. [2023-03-31 23:53:42,776 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 901 915) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0)))) [2023-03-31 23:53:42,777 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 915) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-03-31 23:53:42,777 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-03-31 23:53:42,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 416 461) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 416 461) no Hoare annotation was computed. [2023-03-31 23:53:42,777 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 689 702) the Hoare annotation is: true [2023-03-31 23:53:42,778 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 689 702) no Hoare annotation was computed. [2023-03-31 23:53:42,778 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 768 792) no Hoare annotation was computed. [2023-03-31 23:53:42,778 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,778 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 768 792) no Hoare annotation was computed. [2023-03-31 23:53:42,778 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (and (= ~methaneLevelCritical~0 0) (= 0 processEnvironment_~tmp~6)) .cse0))) [2023-03-31 23:53:42,778 INFO L895 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-03-31 23:53:42,778 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 768 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,778 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2023-03-31 23:53:42,779 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,779 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2023-03-31 23:53:42,779 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2023-03-31 23:53:42,779 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2023-03-31 23:53:42,779 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2023-03-31 23:53:42,779 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2023-03-31 23:53:42,779 INFO L895 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,779 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 917 982) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,780 INFO L895 garLoopResultBuilder]: At program point L965(line 965) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:53:42,780 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2023-03-31 23:53:42,780 INFO L895 garLoopResultBuilder]: At program point L963-1(lines 957 970) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:53:42,780 INFO L899 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2023-03-31 23:53:42,780 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2023-03-31 23:53:42,780 INFO L895 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:53:42,780 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2023-03-31 23:53:42,780 INFO L899 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L895 garLoopResultBuilder]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-03-31 23:53:42,781 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-03-31 23:53:42,781 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 474 502) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L902 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: true [2023-03-31 23:53:42,781 INFO L899 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2023-03-31 23:53:42,781 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 502) the Hoare annotation is: true [2023-03-31 23:53:42,782 INFO L895 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 474 502) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point L484-1(line 484) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: true [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 466 473) no Hoare annotation was computed. [2023-03-31 23:53:42,782 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 657 679) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 657 679) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L895 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= activatePump_~tmp~7 0) (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 801 817) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point L812-1(lines 801 817) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 817) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 680 688) no Hoare annotation was computed. [2023-03-31 23:53:42,783 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 680 688) no Hoare annotation was computed. [2023-03-31 23:53:42,784 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 882 900) no Hoare annotation was computed. [2023-03-31 23:53:42,784 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 900) the Hoare annotation is: true [2023-03-31 23:53:42,784 INFO L902 garLoopResultBuilder]: At program point L889(line 889) the Hoare annotation is: true [2023-03-31 23:53:42,784 INFO L899 garLoopResultBuilder]: For program point L889-1(line 889) no Hoare annotation was computed. [2023-03-31 23:53:42,784 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 648 656) the Hoare annotation is: true [2023-03-31 23:53:42,784 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 648 656) no Hoare annotation was computed. [2023-03-31 23:53:42,784 INFO L895 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-03-31 23:53:42,784 INFO L895 garLoopResultBuilder]: At program point L721(lines 721 727) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= ~methaneLevelCritical~0 0) (not .cse2)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))) [2023-03-31 23:53:42,805 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:53:42,806 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 710 733) no Hoare annotation was computed. [2023-03-31 23:53:42,806 INFO L899 garLoopResultBuilder]: For program point L714(lines 713 732) no Hoare annotation was computed. [2023-03-31 23:53:42,806 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 710 733) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-03-31 23:53:42,806 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 710 733) no Hoare annotation was computed. [2023-03-31 23:53:42,806 INFO L902 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: true [2023-03-31 23:53:42,806 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 506 535) no Hoare annotation was computed. [2023-03-31 23:53:42,806 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2023-03-31 23:53:42,806 INFO L902 garLoopResultBuilder]: At program point L531(lines 506 535) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 506 535) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point L520-1(lines 520 524) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 612 623) no Hoare annotation was computed. [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 624 635) no Hoare annotation was computed. [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 635) the Hoare annotation is: true [2023-03-31 23:53:42,807 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-03-31 23:53:42,808 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-03-31 23:53:42,808 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-03-31 23:53:42,808 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-03-31 23:53:42,808 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-03-31 23:53:42,808 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,808 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2023-03-31 23:53:42,808 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:53:42,809 INFO L895 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:53:42,809 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2023-03-31 23:53:42,809 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:53:42,809 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 742 766) no Hoare annotation was computed. [2023-03-31 23:53:42,809 INFO L899 garLoopResultBuilder]: For program point L748-1(line 748) no Hoare annotation was computed. [2023-03-31 23:53:42,809 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2023-03-31 23:53:42,809 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,809 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 837 845) no Hoare annotation was computed. [2023-03-31 23:53:42,809 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 837 845) the Hoare annotation is: true [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 846 881) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 846 881) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 103 148) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 148) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L895 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,810 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 571 581) no Hoare annotation was computed. [2023-03-31 23:53:42,810 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 571 581) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 571 581) no Hoare annotation was computed. [2023-03-31 23:53:42,811 INFO L902 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: true [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 826 836) no Hoare annotation was computed. [2023-03-31 23:53:42,811 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 826 836) the Hoare annotation is: true [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2023-03-31 23:53:42,811 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 818 825) the Hoare annotation is: true [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 370 415) no Hoare annotation was computed. [2023-03-31 23:53:42,811 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 370 415) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 793 800) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 793 800) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 316 336) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point L337(lines 315 338) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 267 369) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 312) no Hoare annotation was computed. [2023-03-31 23:53:42,812 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 267 369) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L317(lines 316 336) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L348(line 348) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L348-1(line 348) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 354) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 267 369) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L332(line 332) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2023-03-31 23:53:42,813 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:53:42,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 636 647) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 636 647) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 563 569) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 563 569) the Hoare annotation is: true [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-03-31 23:53:42,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:53:42,814 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:53:42,817 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 23:53:42,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:53:42,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:53:42 BoogieIcfgContainer [2023-03-31 23:53:42,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:53:42,830 INFO L158 Benchmark]: Toolchain (without parser) took 6894.57ms. Allocated memory was 231.7MB in the beginning and 293.6MB in the end (delta: 61.9MB). Free memory was 190.7MB in the beginning and 106.3MB in the end (delta: 84.4MB). Peak memory consumption was 146.7MB. Max. memory is 8.0GB. [2023-03-31 23:53:42,830 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:53:42,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.66ms. Allocated memory is still 231.7MB. Free memory was 190.7MB in the beginning and 171.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:53:42,830 INFO L158 Benchmark]: Boogie Preprocessor took 78.71ms. Allocated memory is still 231.7MB. Free memory was 171.8MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:53:42,831 INFO L158 Benchmark]: RCFGBuilder took 1000.63ms. Allocated memory is still 231.7MB. Free memory was 168.2MB in the beginning and 175.3MB in the end (delta: -7.1MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. [2023-03-31 23:53:42,831 INFO L158 Benchmark]: TraceAbstraction took 5398.86ms. Allocated memory was 231.7MB in the beginning and 293.6MB in the end (delta: 61.9MB). Free memory was 174.8MB in the beginning and 106.3MB in the end (delta: 68.5MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. [2023-03-31 23:53:42,832 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 174.1MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.66ms. Allocated memory is still 231.7MB. Free memory was 190.7MB in the beginning and 171.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.71ms. Allocated memory is still 231.7MB. Free memory was 171.8MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1000.63ms. Allocated memory is still 231.7MB. Free memory was 168.2MB in the beginning and 175.3MB in the end (delta: -7.1MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. * TraceAbstraction took 5398.86ms. Allocated memory was 231.7MB in the beginning and 293.6MB in the end (delta: 61.9MB). Free memory was 174.8MB in the beginning and 106.3MB in the end (delta: 68.5MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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 42 procedures, 196 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 556 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 539 mSDsluCounter, 2893 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2148 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1409 IncrementalHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 745 mSDtfsCounter, 1409 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=5, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 1203 PreInvPairs, 1312 NumberOfFragments, 779 HoareAnnotationTreeSize, 1203 FomulaSimplifications, 290 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 4004 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 550 ConstructedInterpolants, 0 QuantifiedInterpolants, 872 SizeOfPredicates, 5 NumberOfNonLiveVariables, 523 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 84/88 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: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:53:42,859 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...