/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:55,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:55,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:55,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:55,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:55,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:55,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:55,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:55,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:55,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:55,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:55,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:55,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:55,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:55,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:55,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:55,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:55,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:55,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:55,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:55,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:55,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:55,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:55,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:55,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:55,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:55,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:55,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:55,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:55,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:55,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:55,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:55,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:55,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:55,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:55,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:55,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:55,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:55,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:55,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:55,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:55,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:00:55,117 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:55,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:55,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:55,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:55,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:55,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:55,118 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:55,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:55,119 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:55,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:55,119 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:55,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:55,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:55,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:55,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:55,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:55,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:55,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:55,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:55,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:55,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:55,341 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:55,342 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:55,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2023-04-03 01:00:56,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:56,816 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:56,817 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2023-04-03 01:00:56,825 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa2fbdcf/fbe56693d2544f3f9fae56014503e3f2/FLAG0abcbc97e [2023-04-03 01:00:56,835 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa2fbdcf/fbe56693d2544f3f9fae56014503e3f2 [2023-04-03 01:00:56,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:56,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:56,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:56,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:56,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:56,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:56" (1/1) ... [2023-04-03 01:00:56,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4bc5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:56, skipping insertion in model container [2023-04-03 01:00:56,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:56" (1/1) ... [2023-04-03 01:00:56,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:56,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:57,146 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_product48.cil.c[17766,17779] [2023-04-03 01:00:57,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:57,169 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:57,222 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_product48.cil.c[17766,17779] [2023-04-03 01:00:57,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:57,236 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:57,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57 WrapperNode [2023-04-03 01:00:57,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:57,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:57,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:57,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:57,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:57,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:57,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:57,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:57,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (1/1) ... [2023-04-03 01:00:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:57,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:57,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:57,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:00:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:00:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:00:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:57,484 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:57,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:57,922 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:58,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:58,013 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:58,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:58 BoogieIcfgContainer [2023-04-03 01:00:58,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:58,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:58,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:58,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:58,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:56" (1/3) ... [2023-04-03 01:00:58,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d9d4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:58, skipping insertion in model container [2023-04-03 01:00:58,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:57" (2/3) ... [2023-04-03 01:00:58,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d9d4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:58, skipping insertion in model container [2023-04-03 01:00:58,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:58" (3/3) ... [2023-04-03 01:00:58,021 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2023-04-03 01:00:58,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:58,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:58,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:58,080 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;@3e9e9acc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:58,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 89 states have internal predecessors, (94), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) [2023-04-03 01:00:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:58,097 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:58,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:58,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:58,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:58,106 INFO L85 PathProgramCache]: Analyzing trace with hash 526113615, now seen corresponding path program 1 times [2023-04-03 01:00:58,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:58,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957007239] [2023-04-03 01:00:58,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:58,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:58,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957007239] [2023-04-03 01:00:58,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957007239] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:58,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:58,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:58,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120674064] [2023-04-03 01:00:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:58,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:58,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:58,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:58,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:58,358 INFO L87 Difference]: Start difference. First operand has 158 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 89 states have internal predecessors, (94), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:58,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:58,432 INFO L93 Difference]: Finished difference Result 246 states and 303 transitions. [2023-04-03 01:00:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:58,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:58,445 INFO L225 Difference]: With dead ends: 246 [2023-04-03 01:00:58,445 INFO L226 Difference]: Without dead ends: 125 [2023-04-03 01:00:58,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:58,454 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:58,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:58,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-03 01:00:58,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-04-03 01:00:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 64 states have (on average 1.25) internal successors, (80), 77 states have internal predecessors, (80), 36 states have call successors, (36), 29 states have call predecessors, (36), 24 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:00:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2023-04-03 01:00:58,501 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2023-04-03 01:00:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:58,501 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2023-04-03 01:00:58,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2023-04-03 01:00:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:58,506 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:58,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:58,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:58,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:58,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:58,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2136424973, now seen corresponding path program 1 times [2023-04-03 01:00:58,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:58,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848783321] [2023-04-03 01:00:58,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:58,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848783321] [2023-04-03 01:00:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848783321] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:58,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:58,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448959993] [2023-04-03 01:00:58,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:58,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:58,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:58,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:58,644 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:58,693 INFO L93 Difference]: Finished difference Result 194 states and 228 transitions. [2023-04-03 01:00:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:58,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:00:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:58,695 INFO L225 Difference]: With dead ends: 194 [2023-04-03 01:00:58,695 INFO L226 Difference]: Without dead ends: 117 [2023-04-03 01:00:58,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:58,697 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 11 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:58,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 223 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:58,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-03 01:00:58,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-03 01:00:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 72 states have internal predecessors, (74), 33 states have call successors, (33), 28 states have call predecessors, (33), 24 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:00:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2023-04-03 01:00:58,707 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 47 [2023-04-03 01:00:58,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:58,707 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2023-04-03 01:00:58,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2023-04-03 01:00:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:00:58,709 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:58,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:58,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:58,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:58,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:58,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1197036735, now seen corresponding path program 1 times [2023-04-03 01:00:58,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023020515] [2023-04-03 01:00:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:58,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023020515] [2023-04-03 01:00:58,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023020515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:58,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:58,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:58,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93601586] [2023-04-03 01:00:58,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:58,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:58,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:58,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:58,857 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:59,110 INFO L93 Difference]: Finished difference Result 347 states and 420 transitions. [2023-04-03 01:00:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:00:59,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 51 [2023-04-03 01:00:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:59,112 INFO L225 Difference]: With dead ends: 347 [2023-04-03 01:00:59,112 INFO L226 Difference]: Without dead ends: 255 [2023-04-03 01:00:59,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:59,114 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 277 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:59,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 521 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-04-03 01:00:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2023-04-03 01:00:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 155 states have internal predecessors, (168), 64 states have call successors, (64), 54 states have call predecessors, (64), 48 states have return successors, (61), 48 states have call predecessors, (61), 60 states have call successors, (61) [2023-04-03 01:00:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 293 transitions. [2023-04-03 01:00:59,172 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 293 transitions. Word has length 51 [2023-04-03 01:00:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:59,172 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 293 transitions. [2023-04-03 01:00:59,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 293 transitions. [2023-04-03 01:00:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:00:59,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:59,174 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] [2023-04-03 01:00:59,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:59,174 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:59,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:59,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1439814675, now seen corresponding path program 1 times [2023-04-03 01:00:59,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:59,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196942152] [2023-04-03 01:00:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:59,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196942152] [2023-04-03 01:00:59,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196942152] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:59,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:59,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154254513] [2023-04-03 01:00:59,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:59,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:59,273 INFO L87 Difference]: Start difference. First operand 243 states and 293 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), 3 states have call successors, (9) [2023-04-03 01:00:59,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:59,431 INFO L93 Difference]: Finished difference Result 661 states and 816 transitions. [2023-04-03 01:00:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:59,431 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), 3 states have call successors, (9) Word has length 55 [2023-04-03 01:00:59,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:59,438 INFO L225 Difference]: With dead ends: 661 [2023-04-03 01:00:59,438 INFO L226 Difference]: Without dead ends: 443 [2023-04-03 01:00:59,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:59,448 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 94 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:59,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 509 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-04-03 01:00:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 431. [2023-04-03 01:00:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 234 states have (on average 1.2863247863247864) internal successors, (301), 280 states have internal predecessors, (301), 112 states have call successors, (112), 92 states have call predecessors, (112), 84 states have return successors, (110), 84 states have call predecessors, (110), 108 states have call successors, (110) [2023-04-03 01:00:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 523 transitions. [2023-04-03 01:00:59,495 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 523 transitions. Word has length 55 [2023-04-03 01:00:59,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:59,495 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 523 transitions. [2023-04-03 01:00:59,495 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), 3 states have call successors, (9) [2023-04-03 01:00:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 523 transitions. [2023-04-03 01:00:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-03 01:00:59,501 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:59,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:59,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:59,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:59,502 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:59,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1693639278, now seen corresponding path program 1 times [2023-04-03 01:00:59,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:59,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557309442] [2023-04-03 01:00:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:59,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557309442] [2023-04-03 01:00:59,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557309442] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:59,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:59,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560585201] [2023-04-03 01:00:59,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:59,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:59,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:59,672 INFO L87 Difference]: Start difference. First operand 431 states and 523 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:01:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,044 INFO L93 Difference]: Finished difference Result 1155 states and 1514 transitions. [2023-04-03 01:01:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:01:00,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-04-03 01:01:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,050 INFO L225 Difference]: With dead ends: 1155 [2023-04-03 01:01:00,050 INFO L226 Difference]: Without dead ends: 749 [2023-04-03 01:01:00,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:01:00,077 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 158 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:00,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 294 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:01:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2023-04-03 01:01:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 660. [2023-04-03 01:01:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 369 states have (on average 1.2140921409214092) internal successors, (448), 407 states have internal predecessors, (448), 146 states have call successors, (146), 126 states have call predecessors, (146), 144 states have return successors, (198), 148 states have call predecessors, (198), 142 states have call successors, (198) [2023-04-03 01:01:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 792 transitions. [2023-04-03 01:01:00,124 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 792 transitions. Word has length 58 [2023-04-03 01:01:00,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:00,125 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 792 transitions. [2023-04-03 01:01:00,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:01:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 792 transitions. [2023-04-03 01:01:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 01:01:00,126 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:00,126 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, 1, 1, 1, 1] [2023-04-03 01:01:00,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:01:00,127 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:00,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:00,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1281069885, now seen corresponding path program 1 times [2023-04-03 01:01:00,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:00,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516476041] [2023-04-03 01:01:00,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:01:00,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:00,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516476041] [2023-04-03 01:01:00,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516476041] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:00,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202409956] [2023-04-03 01:01:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:00,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:00,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:00,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:00,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:01:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:00,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:01:00,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:00,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:00,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202409956] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:00,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:00,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-03 01:01:00,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434764836] [2023-04-03 01:01:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:00,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:01:00,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:01:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:01:00,570 INFO L87 Difference]: Start difference. First operand 660 states and 792 transitions. Second operand has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 01:01:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,938 INFO L93 Difference]: Finished difference Result 1578 states and 1976 transitions. [2023-04-03 01:01:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:01:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) Word has length 89 [2023-04-03 01:01:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,944 INFO L225 Difference]: With dead ends: 1578 [2023-04-03 01:01:00,945 INFO L226 Difference]: Without dead ends: 943 [2023-04-03 01:01:00,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-03 01:01:00,947 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 110 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 809 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 [2023-04-03 01:01:00,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 809 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2023-04-03 01:01:01,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 923. [2023-04-03 01:01:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 523 states have (on average 1.2103250478011471) internal successors, (633), 571 states have internal predecessors, (633), 205 states have call successors, (205), 177 states have call predecessors, (205), 194 states have return successors, (281), 204 states have call predecessors, (281), 201 states have call successors, (281) [2023-04-03 01:01:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1119 transitions. [2023-04-03 01:01:01,010 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1119 transitions. Word has length 89 [2023-04-03 01:01:01,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:01,011 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1119 transitions. [2023-04-03 01:01:01,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 01:01:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1119 transitions. [2023-04-03 01:01:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 01:01:01,018 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:01,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:01,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:01:01,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 01:01:01,226 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:01,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:01,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1098276464, now seen corresponding path program 1 times [2023-04-03 01:01:01,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:01,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380650685] [2023-04-03 01:01:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:01:01,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:01,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380650685] [2023-04-03 01:01:01,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380650685] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:01,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764625607] [2023-04-03 01:01:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:01,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:01,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:01:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:01:01,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:01:01,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:01,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764625607] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:01,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:01,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-04-03 01:01:01,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736773251] [2023-04-03 01:01:01,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:01,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:01:01,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:01,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:01:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-03 01:01:01,910 INFO L87 Difference]: Start difference. First operand 923 states and 1119 transitions. Second operand has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2023-04-03 01:01:02,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:02,279 INFO L93 Difference]: Finished difference Result 2288 states and 2838 transitions. [2023-04-03 01:01:02,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:01:02,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 136 [2023-04-03 01:01:02,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:02,280 INFO L225 Difference]: With dead ends: 2288 [2023-04-03 01:01:02,280 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:01:02,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-04-03 01:01:02,284 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 106 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:02,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 709 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:02,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:01:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:01:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:01:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:01:02,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2023-04-03 01:01:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:02,286 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:01:02,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2023-04-03 01:01:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:01:02,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:01:02,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:01:02,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:02,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 01:01:02,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L602-2(lines 602 623) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L624(lines 601 625) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 577 632) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 577 632) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 669) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L659-2(lines 659 684) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point L685(lines 658 686) no Hoare annotation was computed. [2023-04-03 01:01:04,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:01:04,270 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 633 692) no Hoare annotation was computed. [2023-04-03 01:01:04,270 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2023-04-03 01:01:04,270 INFO L899 garLoopResultBuilder]: For program point L678-1(line 678) no Hoare annotation was computed. [2023-04-03 01:01:04,270 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 179 187) no Hoare annotation was computed. [2023-04-03 01:01:04,271 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-04-03 01:01:04,271 INFO L895 garLoopResultBuilder]: At program point L985(line 985) 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) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 973 995) no Hoare annotation was computed. [2023-04-03 01:01:04,272 INFO L895 garLoopResultBuilder]: At program point L985-1(line 985) 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) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point L983-1(lines 983 990) no Hoare annotation was computed. [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point L981(line 981) no Hoare annotation was computed. [2023-04-03 01:01:04,272 INFO L895 garLoopResultBuilder]: At program point L980(line 980) 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))) [2023-04-03 01:01:04,272 INFO L895 garLoopResultBuilder]: At program point L979(line 979) 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))) [2023-04-03 01:01:04,272 INFO L895 garLoopResultBuilder]: At program point L979-1(line 979) 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))) [2023-04-03 01:01:04,272 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 973 995) 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))) [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 931 954) no Hoare annotation was computed. [2023-04-03 01:01:04,272 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 931 954) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L949(line 949) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L947(line 947) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L946(line 946) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L938(line 938) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 931 954) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L937(line 937) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 461 475) no Hoare annotation was computed. [2023-04-03 01:01:04,273 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 475) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-03 01:01:04,274 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 165 171) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 165 171) the Hoare annotation is: true [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 844 889) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 844 889) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:04,274 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2023-04-03 01:01:04,274 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:01:04,274 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 328 352) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point L225(line 225) 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))))) [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) 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)))) [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point L215(line 215) 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)))) [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 193 260) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 260) 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))) [2023-04-03 01:01:04,275 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:04,276 INFO L895 garLoopResultBuilder]: At program point L243(line 243) 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))))) [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L895 garLoopResultBuilder]: At program point L241-1(lines 233 248) 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))))) [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 193 260) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L505-1(line 505) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 495 523) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L902 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: true [2023-04-03 01:01:04,276 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2023-04-03 01:01:04,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 495 523) the Hoare annotation is: true [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 495 523) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 487 494) the Hoare annotation is: true [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 487 494) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 361 377) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 377) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:01:04,277 INFO L895 garLoopResultBuilder]: At program point L372(line 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point L372-1(lines 361 377) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 127 135) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L902 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: true [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 442 460) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L899 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2023-04-03 01:01:04,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 460) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (not .cse0)))) [2023-04-03 01:01:04,278 INFO L895 garLoopResultBuilder]: At program point L281(lines 281 287) 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)))) [2023-04-03 01:01:04,278 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point L274(lines 273 292) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 293) the Hoare annotation is: (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2023-04-03 01:01:04,278 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 930) the Hoare annotation is: true [2023-04-03 01:01:04,278 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: true [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 476 483) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 476 483) the Hoare annotation is: true [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-04-03 01:01:04,279 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 891 898) the Hoare annotation is: true [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 891 898) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 172 178) the Hoare annotation is: true [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 172 178) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:01:04,279 INFO L895 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2023-04-03 01:01:04,279 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:01:04,279 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 302 326) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 397 405) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 397 405) the Hoare annotation is: true [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 406 441) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 406 441) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 962 972) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 962 972) 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))) [2023-04-03 01:01:04,280 INFO L895 garLoopResultBuilder]: At program point L967(line 967) 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))) [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 962 972) no Hoare annotation was computed. [2023-04-03 01:01:04,280 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 396) the Hoare annotation is: true [2023-04-03 01:01:04,297 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 378 385) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 798 843) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 798 843) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 353 360) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 164) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 155 164) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point L744-2(lines 744 764) no Hoare annotation was computed. [2023-04-03 01:01:04,297 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L765(lines 743 766) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 740) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 695 797) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 764) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L776-1(line 776) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 782) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) 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))) [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 955 961) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 955 961) the Hoare annotation is: true [2023-04-03 01:01:04,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:04,298 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-03 01:01:04,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:01:04,299 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:01:04,301 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:04,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:04,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:04 BoogieIcfgContainer [2023-04-03 01:01:04,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:04,311 INFO L158 Benchmark]: Toolchain (without parser) took 7473.78ms. Allocated memory was 313.5MB in the beginning and 383.8MB in the end (delta: 70.3MB). Free memory was 273.2MB in the beginning and 212.7MB in the end (delta: 60.5MB). Peak memory consumption was 218.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:04,311 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:04,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.76ms. Allocated memory is still 313.5MB. Free memory was 273.2MB in the beginning and 254.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:01:04,312 INFO L158 Benchmark]: Boogie Preprocessor took 48.05ms. Allocated memory is still 313.5MB. Free memory was 254.3MB in the beginning and 250.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:04,312 INFO L158 Benchmark]: RCFGBuilder took 729.01ms. Allocated memory is still 313.5MB. Free memory was 250.9MB in the beginning and 260.5MB in the end (delta: -9.5MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-04-03 01:01:04,312 INFO L158 Benchmark]: TraceAbstraction took 6294.26ms. Allocated memory was 313.5MB in the beginning and 383.8MB in the end (delta: 70.3MB). Free memory was 259.4MB in the beginning and 212.7MB in the end (delta: 46.8MB). Peak memory consumption was 204.6MB. Max. memory is 8.0GB. [2023-04-03 01:01:04,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 398.76ms. Allocated memory is still 313.5MB. Free memory was 273.2MB in the beginning and 254.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.05ms. Allocated memory is still 313.5MB. Free memory was 254.3MB in the beginning and 250.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 729.01ms. Allocated memory is still 313.5MB. Free memory was 250.9MB in the beginning and 260.5MB in the end (delta: -9.5MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * TraceAbstraction took 6294.26ms. Allocated memory was 313.5MB in the beginning and 383.8MB in the end (delta: 70.3MB). Free memory was 259.4MB in the beginning and 212.7MB in the end (delta: 46.8MB). Peak memory consumption was 204.6MB. 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: 895]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 786 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 756 mSDsluCounter, 3205 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2382 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1856 IncrementalHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 823 mSDtfsCounter, 1856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=923occurred in iteration=6, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 133 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1938 PreInvPairs, 2092 NumberOfFragments, 871 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 1309 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 5412 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 10 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 81/86 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: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:01:04,325 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...