/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:53:45,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:53:45,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:53:45,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:53:45,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:53:45,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:53:45,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:53:45,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:53:45,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:53:45,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:53:45,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:53:45,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:53:45,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:53:45,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:53:45,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:53:45,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:53:45,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:53:45,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:53:45,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:53:45,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:53:45,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:53:45,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:53:45,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:53:45,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:53:45,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:53:45,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:53:45,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:53:45,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:53:45,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:53:45,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:53:45,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:53:45,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:53:45,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:53:45,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:53:45,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:53:45,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:53:45,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:53:45,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:53:45,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:53:45,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:53:45,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:53:45,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:53:45,082 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:53:45,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:53:45,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:53:45,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:53:45,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:53:45,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:53:45,083 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:53:45,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:53:45,083 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:53:45,084 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:53:45,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:53:45,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:53:45,085 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:53:45,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:53:45,085 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:53:45,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:53:45,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:53:45,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:53:45,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:53:45,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:53:45,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:53:45,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:53:45,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:53:45,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:53:45,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:53:45,303 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:53:45,303 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:53:45,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2023-03-31 23:53:46,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:53:46,468 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:53:46,469 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2023-03-31 23:53:46,476 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c274305/f88d66e867e446a1a31317b14902118d/FLAGb498187f3 [2023-03-31 23:53:46,487 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c274305/f88d66e867e446a1a31317b14902118d [2023-03-31 23:53:46,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:53:46,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:53:46,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:53:46,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:53:46,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:53:46,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715fba73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46, skipping insertion in model container [2023-03-31 23:53:46,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:53:46,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:53:46,673 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_product59.cil.c[1605,1618] [2023-03-31 23:53:46,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:53:46,804 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:53:46,819 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_product59.cil.c[1605,1618] [2023-03-31 23:53:46,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:53:46,877 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:53:46,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46 WrapperNode [2023-03-31 23:53:46,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:53:46,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:53:46,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:53:46,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:53:46,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:53:46,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:53:46,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:53:46,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:53:46,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (1/1) ... [2023-03-31 23:53:46,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:53:46,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:53:46,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:53:46,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:53:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:53:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:53:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:53:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:53:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:53:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:53:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:53:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:53:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 23:53:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:53:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:53:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:53:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:53:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:53:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:53:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:53:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:53:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:53:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:53:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:53:47,107 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:53:47,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:53:47,607 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:53:47,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:53:47,695 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:53:47,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:47 BoogieIcfgContainer [2023-03-31 23:53:47,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:53:47,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:53:47,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:53:47,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:53:47,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:53:46" (1/3) ... [2023-03-31 23:53:47,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516f479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:53:47, skipping insertion in model container [2023-03-31 23:53:47,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:53:46" (2/3) ... [2023-03-31 23:53:47,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516f479a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:53:47, skipping insertion in model container [2023-03-31 23:53:47,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:53:47" (3/3) ... [2023-03-31 23:53:47,708 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2023-03-31 23:53:47,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:53:47,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:53:47,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:53:47,765 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;@5b29f6e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:53:47,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:53:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 75 states have (on average 1.28) internal successors, (96), 90 states have internal predecessors, (96), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 47 states have call predecessors, (51), 51 states have call successors, (51) [2023-03-31 23:53:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:53:47,781 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:47,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:47,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:47,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:47,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1737988833, now seen corresponding path program 1 times [2023-03-31 23:53:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:47,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52331157] [2023-03-31 23:53:47,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:47,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:47,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52331157] [2023-03-31 23:53:47,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52331157] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:47,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:47,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:53:47,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125114307] [2023-03-31 23:53:47,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:47,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:53:47,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:53:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:53:48,018 INFO L87 Difference]: Start difference. First operand has 161 states, 75 states have (on average 1.28) internal successors, (96), 90 states have internal predecessors, (96), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 47 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) [2023-03-31 23:53:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:48,103 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2023-03-31 23:53:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:53:48,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-03-31 23:53:48,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:48,112 INFO L225 Difference]: With dead ends: 252 [2023-03-31 23:53:48,113 INFO L226 Difference]: Without dead ends: 128 [2023-03-31 23:53:48,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:53:48,119 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:48,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:53:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-03-31 23:53:48,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2023-03-31 23:53:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 78 states have internal predecessors, (82), 36 states have call successors, (36), 30 states have call predecessors, (36), 25 states have return successors, (31), 27 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-31 23:53:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2023-03-31 23:53:48,168 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2023-03-31 23:53:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:48,169 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2023-03-31 23:53:48,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2023-03-31 23:53:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 23:53:48,175 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:48,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:48,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:53:48,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:48,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:48,177 INFO L85 PathProgramCache]: Analyzing trace with hash 283845373, now seen corresponding path program 1 times [2023-03-31 23:53:48,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:48,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373580749] [2023-03-31 23:53:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:48,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:48,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:48,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373580749] [2023-03-31 23:53:48,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373580749] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:48,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:48,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:53:48,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122179134] [2023-03-31 23:53:48,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:48,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:53:48,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:48,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:53:48,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:53:48,299 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:48,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:48,354 INFO L93 Difference]: Finished difference Result 203 states and 235 transitions. [2023-03-31 23:53:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:53:48,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-03-31 23:53:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:48,357 INFO L225 Difference]: With dead ends: 203 [2023-03-31 23:53:48,357 INFO L226 Difference]: Without dead ends: 120 [2023-03-31 23:53:48,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:53:48,362 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 11 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:48,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 226 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:53:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-03-31 23:53:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-03-31 23:53:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 73 states have internal predecessors, (76), 33 states have call successors, (33), 29 states have call predecessors, (33), 25 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 23:53:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2023-03-31 23:53:48,370 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 47 [2023-03-31 23:53:48,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:48,371 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2023-03-31 23:53:48,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:53:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2023-03-31 23:53:48,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-03-31 23:53:48,374 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:48,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:48,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:53:48,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:48,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:48,375 INFO L85 PathProgramCache]: Analyzing trace with hash 298198045, now seen corresponding path program 1 times [2023-03-31 23:53:48,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:48,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280185361] [2023-03-31 23:53:48,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:48,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:48,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280185361] [2023-03-31 23:53:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280185361] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:48,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:48,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:53:48,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914155920] [2023-03-31 23:53:48,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:48,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:53:48,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:48,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:53:48,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:53:48,567 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:53:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:48,860 INFO L93 Difference]: Finished difference Result 355 states and 423 transitions. [2023-03-31 23:53:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:53:48,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-03-31 23:53:48,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:48,866 INFO L225 Difference]: With dead ends: 355 [2023-03-31 23:53:48,867 INFO L226 Difference]: Without dead ends: 260 [2023-03-31 23:53:48,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:53:48,872 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 288 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:48,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 525 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:53:48,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-03-31 23:53:48,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2023-03-31 23:53:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 135 states have (on average 1.2814814814814814) internal successors, (173), 159 states have internal predecessors, (173), 65 states have call successors, (65), 57 states have call predecessors, (65), 51 states have return successors, (62), 49 states have call predecessors, (62), 61 states have call successors, (62) [2023-03-31 23:53:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 300 transitions. [2023-03-31 23:53:48,909 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 300 transitions. Word has length 50 [2023-03-31 23:53:48,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:48,913 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 300 transitions. [2023-03-31 23:53:48,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:53:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 300 transitions. [2023-03-31 23:53:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-03-31 23:53:48,915 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:48,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:48,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:53:48,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:48,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:48,917 INFO L85 PathProgramCache]: Analyzing trace with hash -679559770, now seen corresponding path program 1 times [2023-03-31 23:53:48,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:48,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614512639] [2023-03-31 23:53:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:53:49,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614512639] [2023-03-31 23:53:49,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614512639] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:49,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:49,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:53:49,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366477121] [2023-03-31 23:53:49,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:49,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:53:49,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:49,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:53:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:53:49,017 INFO L87 Difference]: Start difference. First operand 252 states and 300 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:53:49,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:49,158 INFO L93 Difference]: Finished difference Result 578 states and 722 transitions. [2023-03-31 23:53:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:53:49,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2023-03-31 23:53:49,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:49,164 INFO L225 Difference]: With dead ends: 578 [2023-03-31 23:53:49,164 INFO L226 Difference]: Without dead ends: 351 [2023-03-31 23:53:49,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:53:49,169 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 99 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:49,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 482 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:53:49,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-03-31 23:53:49,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 337. [2023-03-31 23:53:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 190 states have (on average 1.231578947368421) internal successors, (234), 210 states have internal predecessors, (234), 77 states have call successors, (77), 73 states have call predecessors, (77), 69 states have return successors, (89), 66 states have call predecessors, (89), 73 states have call successors, (89) [2023-03-31 23:53:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 400 transitions. [2023-03-31 23:53:49,210 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 400 transitions. Word has length 55 [2023-03-31 23:53:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:49,210 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 400 transitions. [2023-03-31 23:53:49,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:53:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 400 transitions. [2023-03-31 23:53:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-03-31 23:53:49,211 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:49,211 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:49,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:53:49,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:49,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1923365528, now seen corresponding path program 1 times [2023-03-31 23:53:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457182875] [2023-03-31 23:53:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:53:49,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:49,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457182875] [2023-03-31 23:53:49,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457182875] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:49,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:49,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:53:49,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903568928] [2023-03-31 23:53:49,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:49,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:53:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:53:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:53:49,376 INFO L87 Difference]: Start difference. First operand 337 states and 400 transitions. Second operand has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:53:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:49,645 INFO L93 Difference]: Finished difference Result 922 states and 1152 transitions. [2023-03-31 23:53:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:53:49,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 85 [2023-03-31 23:53:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:49,648 INFO L225 Difference]: With dead ends: 922 [2023-03-31 23:53:49,648 INFO L226 Difference]: Without dead ends: 610 [2023-03-31 23:53:49,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 23:53:49,649 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 117 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:49,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 734 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:53:49,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-03-31 23:53:49,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 590. [2023-03-31 23:53:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 341 states have (on average 1.2258064516129032) internal successors, (418), 371 states have internal predecessors, (418), 132 states have call successors, (132), 124 states have call predecessors, (132), 116 states have return successors, (164), 114 states have call predecessors, (164), 128 states have call successors, (164) [2023-03-31 23:53:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 714 transitions. [2023-03-31 23:53:49,676 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 714 transitions. Word has length 85 [2023-03-31 23:53:49,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:49,677 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 714 transitions. [2023-03-31 23:53:49,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:53:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 714 transitions. [2023-03-31 23:53:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-03-31 23:53:49,679 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:49,679 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:49,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:53:49,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:49,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:49,680 INFO L85 PathProgramCache]: Analyzing trace with hash -505646169, now seen corresponding path program 1 times [2023-03-31 23:53:49,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:49,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991256573] [2023-03-31 23:53:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:49,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:53:49,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:49,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991256573] [2023-03-31 23:53:50,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991256573] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:53:50,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881507910] [2023-03-31 23:53:50,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:53:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:53:50,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:53:50,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:53:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:50,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 33 conjunts are in the unsatisfiable core [2023-03-31 23:53:50,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:53:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:53:50,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 23:53:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881507910] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:50,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 23:53:50,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2023-03-31 23:53:50,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136755186] [2023-03-31 23:53:50,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:50,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-31 23:53:50,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:50,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-31 23:53:50,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2023-03-31 23:53:50,455 INFO L87 Difference]: Start difference. First operand 590 states and 714 transitions. Second operand has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 23:53:51,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:51,543 INFO L93 Difference]: Finished difference Result 1770 states and 2255 transitions. [2023-03-31 23:53:51,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-31 23:53:51,543 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) Word has length 134 [2023-03-31 23:53:51,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:51,550 INFO L225 Difference]: With dead ends: 1770 [2023-03-31 23:53:51,550 INFO L226 Difference]: Without dead ends: 1205 [2023-03-31 23:53:51,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=1732, Unknown=0, NotChecked=0, Total=1980 [2023-03-31 23:53:51,553 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 205 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:51,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 420 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 23:53:51,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2023-03-31 23:53:51,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1110. [2023-03-31 23:53:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 671 states have (on average 1.2160953800298062) internal successors, (816), 711 states have internal predecessors, (816), 230 states have call successors, (230), 224 states have call predecessors, (230), 208 states have return successors, (314), 212 states have call predecessors, (314), 226 states have call successors, (314) [2023-03-31 23:53:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1360 transitions. [2023-03-31 23:53:51,612 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1360 transitions. Word has length 134 [2023-03-31 23:53:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:51,613 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1360 transitions. [2023-03-31 23:53:51,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (26), 7 states have call predecessors, (26), 6 states have call successors, (26) [2023-03-31 23:53:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1360 transitions. [2023-03-31 23:53:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-03-31 23:53:51,616 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:51,616 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:53:51,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:53:51,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 23:53:51,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:51,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1219535197, now seen corresponding path program 1 times [2023-03-31 23:53:51,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:51,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157555981] [2023-03-31 23:53:51,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 23:53:51,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157555981] [2023-03-31 23:53:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157555981] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:53:51,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:53:51,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:53:51,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615660631] [2023-03-31 23:53:51,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:53:51,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:53:51,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:51,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:53:51,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:53:51,917 INFO L87 Difference]: Start difference. First operand 1110 states and 1360 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 23:53:51,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:53:51,994 INFO L93 Difference]: Finished difference Result 1444 states and 1777 transitions. [2023-03-31 23:53:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:53:51,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 140 [2023-03-31 23:53:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:53:52,000 INFO L225 Difference]: With dead ends: 1444 [2023-03-31 23:53:52,000 INFO L226 Difference]: Without dead ends: 1441 [2023-03-31 23:53:52,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:53:52,001 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 104 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:53:52,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 216 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:53:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2023-03-31 23:53:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1353. [2023-03-31 23:53:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 804 states have (on average 1.2139303482587065) internal successors, (976), 858 states have internal predecessors, (976), 283 states have call successors, (283), 273 states have call predecessors, (283), 265 states have return successors, (412), 264 states have call predecessors, (412), 279 states have call successors, (412) [2023-03-31 23:53:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1671 transitions. [2023-03-31 23:53:52,071 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1671 transitions. Word has length 140 [2023-03-31 23:53:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:53:52,072 INFO L495 AbstractCegarLoop]: Abstraction has 1353 states and 1671 transitions. [2023-03-31 23:53:52,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-03-31 23:53:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1671 transitions. [2023-03-31 23:53:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 23:53:52,076 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:53:52,076 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 23:53:52,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 23:53:52,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:53:52,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:53:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash 172023076, now seen corresponding path program 1 times [2023-03-31 23:53:52,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:53:52,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99791869] [2023-03-31 23:53:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:52,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:53:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-03-31 23:53:52,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:53:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99791869] [2023-03-31 23:53:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99791869] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:53:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282621889] [2023-03-31 23:53:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:53:52,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:53:52,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:53:52,402 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) [2023-03-31 23:53:52,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 23:53:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:53:52,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 54 conjunts are in the unsatisfiable core [2023-03-31 23:53:52,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:53:52,999 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 92 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 23:53:52,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:53:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-03-31 23:53:53,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282621889] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:53:53,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1922612850] [2023-03-31 23:53:53,997 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-03-31 23:53:53,998 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:53:54,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:53:54,003 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:53:54,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:53:54,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:53:54,137 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:53:54,248 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:53:54,278 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:53:54,892 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:53:54,897 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 40 for LOIs [2023-03-31 23:53:54,940 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 38 for LOIs [2023-03-31 23:53:54,944 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2023-03-31 23:53:54,982 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 30 for LOIs [2023-03-31 23:53:54,985 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 34 for LOIs [2023-03-31 23:53:54,988 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 25 for LOIs [2023-03-31 23:53:55,027 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2023-03-31 23:53:55,089 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-03-31 23:53:55,106 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-03-31 23:53:55,109 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-03-31 23:53:55,143 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-03-31 23:53:55,159 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 26 for LOIs [2023-03-31 23:53:55,163 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-03-31 23:53:55,164 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 25 for LOIs [2023-03-31 23:53:55,165 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 25 for LOIs [2023-03-31 23:53:55,177 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 25 for LOIs [2023-03-31 23:53:55,179 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 34 for LOIs [2023-03-31 23:53:55,182 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-03-31 23:53:55,184 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:53:55,186 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:53:55,187 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:53:55,188 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:53:55,190 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:53:59,776 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15488#(and (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:53:59,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:53:59,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:53:59,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 18] total 45 [2023-03-31 23:53:59,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670176007] [2023-03-31 23:53:59,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:53:59,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-03-31 23:53:59,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:53:59,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-03-31 23:53:59,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=10074, Unknown=0, NotChecked=0, Total=10712 [2023-03-31 23:53:59,781 INFO L87 Difference]: Start difference. First operand 1353 states and 1671 transitions. Second operand has 45 states, 34 states have (on average 5.117647058823529) internal successors, (174), 32 states have internal predecessors, (174), 15 states have call successors, (86), 14 states have call predecessors, (86), 25 states have return successors, (86), 24 states have call predecessors, (86), 15 states have call successors, (86) [2023-03-31 23:54:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:07,228 INFO L93 Difference]: Finished difference Result 7101 states and 9586 transitions. [2023-03-31 23:54:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-03-31 23:54:07,228 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 34 states have (on average 5.117647058823529) internal successors, (174), 32 states have internal predecessors, (174), 15 states have call successors, (86), 14 states have call predecessors, (86), 25 states have return successors, (86), 24 states have call predecessors, (86), 15 states have call successors, (86) Word has length 192 [2023-03-31 23:54:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:07,249 INFO L225 Difference]: With dead ends: 7101 [2023-03-31 23:54:07,249 INFO L226 Difference]: Without dead ends: 5773 [2023-03-31 23:54:07,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 490 SyntacticMatches, 16 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12992 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=2551, Invalid=33359, Unknown=0, NotChecked=0, Total=35910 [2023-03-31 23:54:07,262 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 3516 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 12354 mSolverCounterSat, 2739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 15093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2739 IncrementalHoareTripleChecker+Valid, 12354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:07,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 1704 Invalid, 15093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2739 Valid, 12354 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-03-31 23:54:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5773 states. [2023-03-31 23:54:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5773 to 4468. [2023-03-31 23:54:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 2687 states have (on average 1.2050614067733532) internal successors, (3238), 2837 states have internal predecessors, (3238), 932 states have call successors, (932), 878 states have call predecessors, (932), 848 states have return successors, (1272), 874 states have call predecessors, (1272), 928 states have call successors, (1272) [2023-03-31 23:54:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 5442 transitions. [2023-03-31 23:54:07,581 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 5442 transitions. Word has length 192 [2023-03-31 23:54:07,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:07,582 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 5442 transitions. [2023-03-31 23:54:07,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 34 states have (on average 5.117647058823529) internal successors, (174), 32 states have internal predecessors, (174), 15 states have call successors, (86), 14 states have call predecessors, (86), 25 states have return successors, (86), 24 states have call predecessors, (86), 15 states have call successors, (86) [2023-03-31 23:54:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 5442 transitions. [2023-03-31 23:54:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-03-31 23:54:07,593 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:07,593 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:07,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 23:54:07,798 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,SelfDestructingSolverStorable7 [2023-03-31 23:54:07,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:07,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:07,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1894555157, now seen corresponding path program 2 times [2023-03-31 23:54:07,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:07,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931618067] [2023-03-31 23:54:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 77 proven. 36 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-03-31 23:54:07,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:07,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931618067] [2023-03-31 23:54:07,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931618067] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:54:07,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947258947] [2023-03-31 23:54:07,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-31 23:54:07,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:54:07,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:54:07,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:54:07,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 23:54:08,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-03-31 23:54:08,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-31 23:54:08,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 9 conjunts are in the unsatisfiable core [2023-03-31 23:54:08,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:54:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-03-31 23:54:08,121 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 23:54:08,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947258947] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:08,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 23:54:08,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2023-03-31 23:54:08,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848957816] [2023-03-31 23:54:08,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:08,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:54:08,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:08,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:54:08,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:54:08,123 INFO L87 Difference]: Start difference. First operand 4468 states and 5442 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 23:54:08,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:08,522 INFO L93 Difference]: Finished difference Result 8480 states and 10490 transitions. [2023-03-31 23:54:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:54:08,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 251 [2023-03-31 23:54:08,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:08,537 INFO L225 Difference]: With dead ends: 8480 [2023-03-31 23:54:08,537 INFO L226 Difference]: Without dead ends: 4037 [2023-03-31 23:54:08,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:54:08,548 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 213 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:08,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 201 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:54:08,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4037 states. [2023-03-31 23:54:08,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4037 to 3766. [2023-03-31 23:54:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3766 states, 2308 states have (on average 1.1915077989601386) internal successors, (2750), 2429 states have internal predecessors, (2750), 757 states have call successors, (757), 746 states have call predecessors, (757), 700 states have return successors, (863), 689 states have call predecessors, (863), 753 states have call successors, (863) [2023-03-31 23:54:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 4370 transitions. [2023-03-31 23:54:08,811 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 4370 transitions. Word has length 251 [2023-03-31 23:54:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:08,812 INFO L495 AbstractCegarLoop]: Abstraction has 3766 states and 4370 transitions. [2023-03-31 23:54:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 23:54:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4370 transitions. [2023-03-31 23:54:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-03-31 23:54:08,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:08,820 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:08,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 23:54:09,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:54:09,026 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:09,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:09,026 INFO L85 PathProgramCache]: Analyzing trace with hash 461066965, now seen corresponding path program 1 times [2023-03-31 23:54:09,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:09,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672527658] [2023-03-31 23:54:09,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 101 proven. 60 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-03-31 23:54:09,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672527658] [2023-03-31 23:54:09,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672527658] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:54:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386594541] [2023-03-31 23:54:09,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:09,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:54:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:54:09,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:54:09,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 23:54:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:09,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 58 conjunts are in the unsatisfiable core [2023-03-31 23:54:09,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:54:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 33 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-03-31 23:54:10,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:54:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 119 proven. 43 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-03-31 23:54:11,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386594541] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:54:11,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1351287532] [2023-03-31 23:54:11,562 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2023-03-31 23:54:11,563 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:54:11,563 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:54:11,563 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:54:11,563 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:54:11,654 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:54:11,671 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:54:11,750 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:54:11,786 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:54:12,243 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:54:12,246 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 40 for LOIs [2023-03-31 23:54:12,286 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 38 for LOIs [2023-03-31 23:54:12,290 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2023-03-31 23:54:12,323 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 30 for LOIs [2023-03-31 23:54:12,326 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 34 for LOIs [2023-03-31 23:54:12,328 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 25 for LOIs [2023-03-31 23:54:12,401 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2023-03-31 23:54:12,448 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-03-31 23:54:12,461 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-03-31 23:54:12,464 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-03-31 23:54:12,491 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-03-31 23:54:12,506 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 26 for LOIs [2023-03-31 23:54:12,510 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-03-31 23:54:12,511 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 25 for LOIs [2023-03-31 23:54:12,512 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 25 for LOIs [2023-03-31 23:54:12,525 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 25 for LOIs [2023-03-31 23:54:12,528 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2023-03-31 23:54:12,531 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 34 for LOIs [2023-03-31 23:54:12,534 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-03-31 23:54:12,536 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:54:12,538 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:54:12,539 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:54:12,540 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:54:12,541 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:54:16,705 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '52082#(and (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:54:16,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:54:16,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:54:16,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 16] total 38 [2023-03-31 23:54:16,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292227669] [2023-03-31 23:54:16,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:54:16,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-03-31 23:54:16,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:16,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-03-31 23:54:16,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=8898, Unknown=0, NotChecked=0, Total=9506 [2023-03-31 23:54:16,709 INFO L87 Difference]: Start difference. First operand 3766 states and 4370 transitions. Second operand has 38 states, 29 states have (on average 6.241379310344827) internal successors, (181), 30 states have internal predecessors, (181), 17 states have call successors, (88), 10 states have call predecessors, (88), 22 states have return successors, (93), 22 states have call predecessors, (93), 17 states have call successors, (93) [2023-03-31 23:54:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:17,937 INFO L93 Difference]: Finished difference Result 5665 states and 6860 transitions. [2023-03-31 23:54:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-31 23:54:17,938 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 29 states have (on average 6.241379310344827) internal successors, (181), 30 states have internal predecessors, (181), 17 states have call successors, (88), 10 states have call predecessors, (88), 22 states have return successors, (93), 22 states have call predecessors, (93), 17 states have call successors, (93) Word has length 286 [2023-03-31 23:54:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:17,940 INFO L225 Difference]: With dead ends: 5665 [2023-03-31 23:54:17,940 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:54:17,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 765 SyntacticMatches, 27 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7743 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=972, Invalid=12368, Unknown=0, NotChecked=0, Total=13340 [2023-03-31 23:54:17,952 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 546 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:17,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 608 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 23:54:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:54:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:54:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 23:54:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:54:17,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2023-03-31 23:54:17,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:17,954 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:54:17,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 29 states have (on average 6.241379310344827) internal successors, (181), 30 states have internal predecessors, (181), 17 states have call successors, (88), 10 states have call predecessors, (88), 22 states have return successors, (93), 22 states have call predecessors, (93), 17 states have call successors, (93) [2023-03-31 23:54:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:54:17,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:54:17,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:54:17,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 23:54:18,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:54:18,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:54:29,238 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 632) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L622-2(lines 622 643) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 597 652) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 597 652) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L644(lines 621 645) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L705(lines 678 706) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L698(line 698) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 689) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point L679-2(lines 679 704) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2023-03-31 23:54:29,239 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 535 543) the Hoare annotation is: true [2023-03-31 23:54:29,239 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point L498(line 498) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point L498-1(line 498) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point L493(line 493) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point L492(line 492) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point L492-1(line 492) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,240 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 486 508) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 441 464) no Hoare annotation was computed. [2023-03-31 23:54:29,240 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L454(line 454) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L451(line 451) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 285 299) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 285 299) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse4)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse3) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) .cse2 .cse4 .cse3)))) [2023-03-31 23:54:29,241 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse1))) [2023-03-31 23:54:29,241 INFO L902 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: true [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point L273-1(line 273) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 266 284) the Hoare annotation is: true [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 266 284) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 864 909) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 864 909) no Hoare annotation was computed. [2023-03-31 23:54:29,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 991 1004) the Hoare annotation is: true [2023-03-31 23:54:29,241 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 991 1004) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or (not .cse4) .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3))) [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 132 156) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 132 156) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~1)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 156) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) .cse0 .cse1))) [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 304 369) no Hoare annotation was computed. [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 304 369) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,242 INFO L895 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= test_~splverifierCounter~0 0)) (.cse10 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse10) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse6 .cse3 .cse10)))) [2023-03-31 23:54:29,242 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point L350-1(lines 344 357) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= test_~splverifierCounter~0 0)) (.cse8 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse7) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse7) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse8)))) [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse7)))) [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse7)))) [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= test_~splverifierCounter~0 0)) (.cse7 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse5 (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse7)))) [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 304 369) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 157 164) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 157 164) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1005 1013) the Hoare annotation is: true [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 1005 1013) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-03-31 23:54:29,243 INFO L895 garLoopResultBuilder]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)))) [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 380 408) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not .cse6)) (.cse5 (not (= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse5 .cse3 (= 0 ~systemActive~0))))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 380 408) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 380 408) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 959 981) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 959 981) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 379) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 372 379) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= activatePump_~tmp~2 0)) .cse1 .cse2 .cse3) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 166 182) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 166 182) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-03-31 23:54:29,244 INFO L899 garLoopResultBuilder]: For program point L171-1(line 171) no Hoare annotation was computed. [2023-03-31 23:54:29,244 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 166 182) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 247 265) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L902 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: true [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 247 265) the Hoare annotation is: true [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 982 990) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 982 990) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 950 958) the Hoare annotation is: true [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse7)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not .cse8)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= 2 ~waterLevel~0) .cse4) .cse5) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse6 .cse4)) (or .cse1 .cse7 .cse5 .cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse6))))) [2023-03-31 23:54:29,245 INFO L895 garLoopResultBuilder]: At program point L85(lines 85 91) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse13 (= 2 ~waterLevel~0)) (.cse12 (not .cse5)) (.cse15 (= |old(~waterLevel~0)| 2)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse11 (= ~waterLevel~0 1)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse14)) (.cse0 (and .cse10 .cse8 .cse11)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not .cse2)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse15)) (.cse7 (and (not .cse10) .cse13 .cse14 .cse2 .cse12 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse3 .cse4 .cse5 .cse7) (or .cse6 .cse1 .cse8 .cse9 .cse3) (or .cse6 .cse1 .cse8 .cse4 .cse7) (or .cse1 .cse2 (and .cse10 .cse11) .cse4 .cse5) (or (and .cse10 .cse11 .cse12) .cse6 .cse0 .cse1 .cse9) (or .cse6 .cse1 (and .cse10 .cse13) .cse4 .cse7))))) [2023-03-31 23:54:29,245 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methAndRunningLastTime~0 0) (= 2 ~waterLevel~0)) .cse1 .cse2 (= 0 ~systemActive~0)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point L78(lines 77 96) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 74 97) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 .cse3 (= 0 ~systemActive~0)) (or .cse4 (and .cse5 .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 (and .cse5 .cse0 .cse1) .cse3))) [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 97) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2023-03-31 23:54:29,245 INFO L902 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 411 440) the Hoare annotation is: true [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L902 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2023-03-31 23:54:29,246 INFO L902 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 914 925) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 925) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (= ~pumpRunning~0 0))))) [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3))) [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L112-1(line 112) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 106 130) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3))) [2023-03-31 23:54:29,246 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2023-03-31 23:54:29,246 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 937) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1) .cse1) (or .cse2 (< |old(~waterLevel~0)| 2) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-03-31 23:54:29,247 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 202 210) the Hoare annotation is: true [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point L241-1(line 241) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 211 246) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 211 246) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 551 596) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 551 596) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L895 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 472 482) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 472 482) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 472 482) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 191 201) no Hoare annotation was computed. [2023-03-31 23:54:29,247 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 191 201) the Hoare annotation is: true [2023-03-31 23:54:29,247 INFO L902 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: true [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 183 190) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 818 863) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 818 863) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 511 520) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L764-2(lines 764 784) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L785(lines 763 786) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 760) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L765(lines 764 784) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 802) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L780(line 780) no Hoare annotation was computed. [2023-03-31 23:54:29,248 INFO L899 garLoopResultBuilder]: For program point L780-1(line 780) no Hoare annotation was computed. [2023-03-31 23:54:29,251 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2023-03-31 23:54:29,251 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 949) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse3 (= 0 ~systemActive~0) .cse2))) [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 23:54:29,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:54:29,252 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:54:29,254 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:29,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:54:29,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:54:29 BoogieIcfgContainer [2023-03-31 23:54:29,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:54:29,278 INFO L158 Benchmark]: Toolchain (without parser) took 42788.30ms. Allocated memory was 224.4MB in the beginning and 810.5MB in the end (delta: 586.2MB). Free memory was 172.9MB in the beginning and 693.6MB in the end (delta: -520.7MB). Peak memory consumption was 504.3MB. Max. memory is 8.0GB. [2023-03-31 23:54:29,278 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:54:29,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.54ms. Allocated memory is still 224.4MB. Free memory was 172.9MB in the beginning and 154.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:54:29,279 INFO L158 Benchmark]: Boogie Preprocessor took 50.10ms. Allocated memory is still 224.4MB. Free memory was 154.1MB in the beginning and 150.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 23:54:29,279 INFO L158 Benchmark]: RCFGBuilder took 769.94ms. Allocated memory is still 224.4MB. Free memory was 150.4MB in the beginning and 157.1MB in the end (delta: -6.7MB). Peak memory consumption was 37.8MB. Max. memory is 8.0GB. [2023-03-31 23:54:29,279 INFO L158 Benchmark]: TraceAbstraction took 41575.67ms. Allocated memory was 224.4MB in the beginning and 810.5MB in the end (delta: 586.2MB). Free memory was 156.1MB in the beginning and 693.6MB in the end (delta: -537.6MB). Peak memory consumption was 486.4MB. Max. memory is 8.0GB. [2023-03-31 23:54:29,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.54ms. Allocated memory is still 224.4MB. Free memory was 172.9MB in the beginning and 154.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.10ms. Allocated memory is still 224.4MB. Free memory was 154.1MB in the beginning and 150.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 769.94ms. Allocated memory is still 224.4MB. Free memory was 150.4MB in the beginning and 157.1MB in the end (delta: -6.7MB). Peak memory consumption was 37.8MB. Max. memory is 8.0GB. * TraceAbstraction took 41575.67ms. Allocated memory was 224.4MB in the beginning and 810.5MB in the end (delta: 586.2MB). Free memory was 156.1MB in the beginning and 693.6MB in the end (delta: -537.6MB). Peak memory consumption was 486.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 202 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.5s, OverallIterations: 10, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5153 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5099 mSDsluCounter, 5257 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4174 mSDsCounter, 3505 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17528 IncrementalHoareTripleChecker+Invalid, 21033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3505 mSolverCounterUnsat, 1083 mSDtfsCounter, 17528 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2091 GetRequests, 1661 SyntacticMatches, 43 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21277 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4468occurred in iteration=8, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1801 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 6469 PreInvPairs, 6945 NumberOfFragments, 2417 HoareAnnotationTreeSize, 6469 FomulaSimplifications, 52052 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 68 FomulaSimplificationsInter, 46532 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2149 NumberOfCodeBlocks, 2072 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2611 ConstructedInterpolants, 0 QuantifiedInterpolants, 4868 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2730 ConjunctsInSsa, 154 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 1776/1996 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: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 2 == waterLevel) && splverifierCounter == 0) && methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 2 == waterLevel) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && methaneLevelCritical == 0) && waterLevel == 1)) || ((((methAndRunningLastTime == 0 && 2 == waterLevel) && splverifierCounter == 0) && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:54:29,307 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...