/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:09:11,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:09:11,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:09:11,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:09:11,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:09:11,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:09:11,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:09:11,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:09:11,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:09:11,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:09:11,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:09:11,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:09:11,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:09:11,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:09:11,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:09:11,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:09:11,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:09:11,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:09:11,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:09:11,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:09:11,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:09:11,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:09:11,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:09:11,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:09:11,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:09:11,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:09:11,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:09:11,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:09:11,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:09:11,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:09:11,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:09:11,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:09:11,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:09:11,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:09:11,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:09:11,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:09:11,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:09:11,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:09:11,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:09:11,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:09:11,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:09:11,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:09:11,098 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:09:11,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:09:11,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:09:11,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:09:11,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:09:11,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:09:11,099 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:09:11,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:09:11,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:09:11,101 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:09:11,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:09:11,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:09:11,101 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:09:11,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:09:11,102 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:09:11,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:11,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:09:11,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:09:11,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:09:11,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:09:11,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:09:11,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:09:11,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:09:11,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:09:11,340 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:09:11,340 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:09:11,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2023-04-03 01:09:12,401 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:09:12,609 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:09:12,610 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2023-04-03 01:09:12,620 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badc34e02/4507c4b9938d462193ee18089965ed73/FLAGd06d8cb4c [2023-04-03 01:09:12,644 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badc34e02/4507c4b9938d462193ee18089965ed73 [2023-04-03 01:09:12,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:09:12,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:09:12,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:12,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:09:12,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:09:12,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:12" (1/1) ... [2023-04-03 01:09:12,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b175f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:12, skipping insertion in model container [2023-04-03 01:09:12,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:12" (1/1) ... [2023-04-03 01:09:12,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:09:12,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:09:12,875 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_spec5_product42.cil.c[3693,3706] [2023-04-03 01:09:12,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:12,980 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:09:13,011 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_spec5_product42.cil.c[3693,3706] [2023-04-03 01:09:13,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:13,073 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:09:13,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13 WrapperNode [2023-04-03 01:09:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:13,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:09:13,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:09:13,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:09:13,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:09:13,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:09:13,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:09:13,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:09:13,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (1/1) ... [2023-04-03 01:09:13,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:13,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:13,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:09:13,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:09:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:09:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:09:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:09:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:09:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:09:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:09:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:09:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:09:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:09:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:09:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:09:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:09:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:09:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:09:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:09:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:09:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:09:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:09:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:09:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:09:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:09:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:09:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:09:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:09:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:09:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:09:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:09:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:09:13,367 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:09:13,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:09:13,783 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:09:13,878 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:09:13,879 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:09:13,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:13 BoogieIcfgContainer [2023-04-03 01:09:13,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:09:13,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:09:13,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:09:13,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:09:13,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:09:12" (1/3) ... [2023-04-03 01:09:13,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7809ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:13, skipping insertion in model container [2023-04-03 01:09:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:13" (2/3) ... [2023-04-03 01:09:13,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7809ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:13, skipping insertion in model container [2023-04-03 01:09:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:13" (3/3) ... [2023-04-03 01:09:13,889 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2023-04-03 01:09:13,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:09:13,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:09:13,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:09:13,947 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;@1f92878b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:09:13,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:09:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 78 states have internal predecessors, (83), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 45 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-03 01:09:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:09:13,958 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:13,959 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] [2023-04-03 01:09:13,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:13,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2138768120, now seen corresponding path program 1 times [2023-04-03 01:09:13,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:13,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702376597] [2023-04-03 01:09:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:14,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702376597] [2023-04-03 01:09:14,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702376597] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:14,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:14,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:09:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592875385] [2023-04-03 01:09:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:14,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:09:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:14,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:09:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:14,198 INFO L87 Difference]: Start difference. First operand has 146 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 78 states have internal predecessors, (83), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 45 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:14,270 INFO L93 Difference]: Finished difference Result 222 states and 265 transitions. [2023-04-03 01:09:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:09:14,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:09:14,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:14,279 INFO L225 Difference]: With dead ends: 222 [2023-04-03 01:09:14,279 INFO L226 Difference]: Without dead ends: 113 [2023-04-03 01:09:14,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:14,287 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2023-04-03 01:09:14,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-04-03 01:09:14,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-04-03 01:09:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 66 states have internal predecessors, (69), 32 states have call successors, (32), 28 states have call predecessors, (32), 23 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:09:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2023-04-03 01:09:14,330 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 52 [2023-04-03 01:09:14,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:14,330 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2023-04-03 01:09:14,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2023-04-03 01:09:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:09:14,332 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:14,333 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] [2023-04-03 01:09:14,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:09:14,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:14,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash 245808367, now seen corresponding path program 1 times [2023-04-03 01:09:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874844894] [2023-04-03 01:09:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:14,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874844894] [2023-04-03 01:09:14,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874844894] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:14,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:14,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:09:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037167174] [2023-04-03 01:09:14,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:14,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:09:14,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:14,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:09:14,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:14,437 INFO L87 Difference]: Start difference. First operand 113 states and 128 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:14,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:14,489 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2023-04-03 01:09:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:09:14,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:09:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:14,491 INFO L225 Difference]: With dead ends: 176 [2023-04-03 01:09:14,491 INFO L226 Difference]: Without dead ends: 105 [2023-04-03 01:09:14,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:14,492 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:14,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 187 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:14,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-04-03 01:09:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-04-03 01:09:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 61 states have internal predecessors, (63), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:09:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2023-04-03 01:09:14,501 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 53 [2023-04-03 01:09:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:14,502 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2023-04-03 01:09:14,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2023-04-03 01:09:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:09:14,503 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:14,504 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] [2023-04-03 01:09:14,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:09:14,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:14,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1379986794, now seen corresponding path program 1 times [2023-04-03 01:09:14,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:14,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140733375] [2023-04-03 01:09:14,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:14,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:14,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140733375] [2023-04-03 01:09:14,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140733375] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:14,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:14,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:14,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27073630] [2023-04-03 01:09:14,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:14,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:14,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:14,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:14,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:14,715 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:14,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:14,913 INFO L93 Difference]: Finished difference Result 185 states and 210 transitions. [2023-04-03 01:09:14,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:09:14,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:09:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:14,915 INFO L225 Difference]: With dead ends: 185 [2023-04-03 01:09:14,915 INFO L226 Difference]: Without dead ends: 105 [2023-04-03 01:09:14,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:09:14,917 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 155 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:14,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 275 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:09:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-04-03 01:09:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-04-03 01:09:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 60 states have internal predecessors, (62), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:09:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 116 transitions. [2023-04-03 01:09:14,930 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 116 transitions. Word has length 56 [2023-04-03 01:09:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:14,931 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 116 transitions. [2023-04-03 01:09:14,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 116 transitions. [2023-04-03 01:09:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-03 01:09:14,934 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:14,936 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] [2023-04-03 01:09:14,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:09:14,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:14,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1284804245, now seen corresponding path program 1 times [2023-04-03 01:09:14,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:14,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717198246] [2023-04-03 01:09:14,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:15,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:15,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717198246] [2023-04-03 01:09:15,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717198246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:15,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:15,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:09:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075324216] [2023-04-03 01:09:15,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:15,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:09:15,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:09:15,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:09:15,083 INFO L87 Difference]: Start difference. First operand 105 states and 116 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:09:15,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:15,342 INFO L93 Difference]: Finished difference Result 270 states and 316 transitions. [2023-04-03 01:09:15,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:09:15,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 64 [2023-04-03 01:09:15,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:15,347 INFO L225 Difference]: With dead ends: 270 [2023-04-03 01:09:15,347 INFO L226 Difference]: Without dead ends: 190 [2023-04-03 01:09:15,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:15,349 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 147 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:15,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 126 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:09:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-04-03 01:09:15,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 173. [2023-04-03 01:09:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 91 states have (on average 1.1978021978021978) internal successors, (109), 100 states have internal predecessors, (109), 42 states have call successors, (42), 40 states have call predecessors, (42), 39 states have return successors, (43), 39 states have call predecessors, (43), 38 states have call successors, (43) [2023-04-03 01:09:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 194 transitions. [2023-04-03 01:09:15,375 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 194 transitions. Word has length 64 [2023-04-03 01:09:15,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:15,375 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 194 transitions. [2023-04-03 01:09:15,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:09:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 194 transitions. [2023-04-03 01:09:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 01:09:15,377 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:15,377 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] [2023-04-03 01:09:15,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:09:15,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:15,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1598396467, now seen corresponding path program 1 times [2023-04-03 01:09:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:15,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662030328] [2023-04-03 01:09:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:15,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:09:15,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662030328] [2023-04-03 01:09:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662030328] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:15,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:15,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:15,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832133816] [2023-04-03 01:09:15,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:15,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:15,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:15,581 INFO L87 Difference]: Start difference. First operand 173 states and 194 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:09:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:15,866 INFO L93 Difference]: Finished difference Result 337 states and 390 transitions. [2023-04-03 01:09:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:09:15,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 73 [2023-04-03 01:09:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:15,873 INFO L225 Difference]: With dead ends: 337 [2023-04-03 01:09:15,873 INFO L226 Difference]: Without dead ends: 189 [2023-04-03 01:09:15,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:09:15,880 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 118 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:15,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 218 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:09:15,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-04-03 01:09:15,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 172. [2023-04-03 01:09:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 99 states have internal predecessors, (106), 42 states have call successors, (42), 40 states have call predecessors, (42), 39 states have return successors, (43), 39 states have call predecessors, (43), 38 states have call successors, (43) [2023-04-03 01:09:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 191 transitions. [2023-04-03 01:09:15,910 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 191 transitions. Word has length 73 [2023-04-03 01:09:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:15,911 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 191 transitions. [2023-04-03 01:09:15,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:09:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 191 transitions. [2023-04-03 01:09:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-03 01:09:15,918 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:15,919 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:15,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:09:15,919 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:15,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash -351234492, now seen corresponding path program 1 times [2023-04-03 01:09:15,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:15,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356862025] [2023-04-03 01:09:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:15,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:16,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:16,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356862025] [2023-04-03 01:09:16,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356862025] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:16,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:16,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:09:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605704341] [2023-04-03 01:09:16,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:16,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:09:16,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:09:16,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:09:16,215 INFO L87 Difference]: Start difference. First operand 172 states and 191 transitions. Second operand has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:09:16,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:16,576 INFO L93 Difference]: Finished difference Result 458 states and 526 transitions. [2023-04-03 01:09:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:09:16,576 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) Word has length 86 [2023-04-03 01:09:16,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:16,581 INFO L225 Difference]: With dead ends: 458 [2023-04-03 01:09:16,581 INFO L226 Difference]: Without dead ends: 311 [2023-04-03 01:09:16,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:16,584 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 234 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:16,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 669 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-04-03 01:09:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 302. [2023-04-03 01:09:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 163 states have (on average 1.177914110429448) internal successors, (192), 178 states have internal predecessors, (192), 72 states have call successors, (72), 68 states have call predecessors, (72), 66 states have return successors, (80), 69 states have call predecessors, (80), 68 states have call successors, (80) [2023-04-03 01:09:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 344 transitions. [2023-04-03 01:09:16,625 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 344 transitions. Word has length 86 [2023-04-03 01:09:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:16,629 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 344 transitions. [2023-04-03 01:09:16,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:09:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 344 transitions. [2023-04-03 01:09:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 01:09:16,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:16,631 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:16,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:09:16,632 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:16,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:16,632 INFO L85 PathProgramCache]: Analyzing trace with hash 244223884, now seen corresponding path program 1 times [2023-04-03 01:09:16,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:16,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936705638] [2023-04-03 01:09:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:16,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:16,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:16,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936705638] [2023-04-03 01:09:16,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936705638] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:16,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:16,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:09:16,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174914417] [2023-04-03 01:09:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:16,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:09:16,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:16,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:09:16,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:09:16,848 INFO L87 Difference]: Start difference. First operand 302 states and 344 transitions. Second operand has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:09:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:17,280 INFO L93 Difference]: Finished difference Result 940 states and 1100 transitions. [2023-04-03 01:09:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:09:17,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 89 [2023-04-03 01:09:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:17,283 INFO L225 Difference]: With dead ends: 940 [2023-04-03 01:09:17,284 INFO L226 Difference]: Without dead ends: 719 [2023-04-03 01:09:17,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:17,285 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 277 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:17,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 507 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2023-04-03 01:09:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 619. [2023-04-03 01:09:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 339 states have (on average 1.1858407079646018) internal successors, (402), 369 states have internal predecessors, (402), 142 states have call successors, (142), 135 states have call predecessors, (142), 137 states have return successors, (167), 141 states have call predecessors, (167), 138 states have call successors, (167) [2023-04-03 01:09:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 711 transitions. [2023-04-03 01:09:17,336 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 711 transitions. Word has length 89 [2023-04-03 01:09:17,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:17,336 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 711 transitions. [2023-04-03 01:09:17,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:09:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 711 transitions. [2023-04-03 01:09:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 01:09:17,338 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:17,338 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, 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] [2023-04-03 01:09:17,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:09:17,338 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:17,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1919908488, now seen corresponding path program 1 times [2023-04-03 01:09:17,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:17,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672811318] [2023-04-03 01:09:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:17,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:09:17,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:17,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672811318] [2023-04-03 01:09:17,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672811318] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:17,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065399497] [2023-04-03 01:09:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:17,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:17,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:17,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:17,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:09:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:17,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:09:17,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:09:17,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:09:18,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065399497] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:18,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [337985267] [2023-04-03 01:09:18,191 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2023-04-03 01:09:18,192 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:18,194 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:18,198 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:18,198 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:18,354 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:18,384 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:18,569 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:18,623 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:20,634 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-03 01:09:20,646 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:09:20,988 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 50 for LOIs [2023-04-03 01:09:20,994 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 47 for LOIs [2023-04-03 01:09:21,251 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:09:21,363 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:09:21,369 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:09:21,425 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-04-03 01:09:21,452 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 34 for LOIs [2023-04-03 01:09:21,456 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:09:21,459 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 47 for LOIs [2023-04-03 01:09:21,463 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:21,466 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:21,468 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:09:21,579 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:09:21,582 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:09:21,585 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 31 for LOIs [2023-04-03 01:09:21,643 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:09:21,645 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:21,647 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:21,650 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:21,652 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:26,347 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7083#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:26,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:26,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:26,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:09:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172992673] [2023-04-03 01:09:26,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:26,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:09:26,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:26,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:09:26,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=5465, Unknown=0, NotChecked=0, Total=6006 [2023-04-03 01:09:26,352 INFO L87 Difference]: Start difference. First operand 619 states and 711 transitions. Second operand has 19 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-04-03 01:09:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:26,952 INFO L93 Difference]: Finished difference Result 887 states and 1027 transitions. [2023-04-03 01:09:26,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:09:26,952 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) Word has length 127 [2023-04-03 01:09:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:26,954 INFO L225 Difference]: With dead ends: 887 [2023-04-03 01:09:26,955 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:09:26,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 307 SyntacticMatches, 12 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3428 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=654, Invalid=7178, Unknown=0, NotChecked=0, Total=7832 [2023-04-03 01:09:26,959 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 284 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:26,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1199 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:09:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:09:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:09:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:09:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:09:26,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2023-04-03 01:09:26,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:26,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:09:26,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-04-03 01:09:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:09:26,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:09:26,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:09:26,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:27,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:27,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:09:29,268 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:09:29,268 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:09:29,268 INFO L899 garLoopResultBuilder]: For program point L350(lines 327 351) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 303 358) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 303 358) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 349) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L385-2(lines 385 410) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L411(lines 384 412) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 359 418) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 359 418) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 359 418) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 395) no Hoare annotation was computed. [2023-04-03 01:09:29,269 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 241 249) no Hoare annotation was computed. [2023-04-03 01:09:29,270 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 241 249) the Hoare annotation is: true [2023-04-03 01:09:29,270 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-04-03 01:09:29,270 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 200) no Hoare annotation was computed. [2023-04-03 01:09:29,270 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point L189-1(line 189) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,270 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 183 205) no Hoare annotation was computed. [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 183 205) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:09:29,270 INFO L895 garLoopResultBuilder]: At program point L195-1(line 195) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 137 160) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 137 160) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-03 01:09:29,271 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 137 160) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 227 233) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 227 233) the Hoare annotation is: true [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 570 615) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 570 615) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 713) the Hoare annotation is: true [2023-04-03 01:09:29,272 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 700 713) no Hoare annotation was computed. [2023-04-03 01:09:29,272 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L895 garLoopResultBuilder]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point L829-1(line 829) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 823 847) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse1))) [2023-04-03 01:09:29,273 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 823 847) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse3 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse0 .cse1))) [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point L842-1(lines 823 847) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and .cse2 (= 0 processEnvironment_~tmp~6)) .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse2 .cse1 (<= ~waterLevel~0 1) .cse3) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-04-03 01:09:29,273 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2023-04-03 01:09:29,273 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2023-04-03 01:09:29,274 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-03 01:09:29,274 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2023-04-03 01:09:29,274 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 716 781) no Hoare annotation was computed. [2023-04-03 01:09:29,274 INFO L895 garLoopResultBuilder]: At program point L758(line 758) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-03 01:09:29,274 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2023-04-03 01:09:29,274 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-03 01:09:29,274 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2023-04-03 01:09:29,274 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 716 781) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,274 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2023-04-03 01:09:29,274 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-03 01:09:29,275 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4)) .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse5) (and .cse6 .cse0 .cse3 .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse2))) [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 716 781) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 668 690) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 668 690) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 857 873) no Hoare annotation was computed. [2023-04-03 01:09:29,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 857 873) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:09:29,275 INFO L895 garLoopResultBuilder]: At program point L868(line 868) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point L868-1(lines 857 873) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 691 699) the Hoare annotation is: true [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 691 699) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L902 garLoopResultBuilder]: At program point L945(line 945) the Hoare annotation is: true [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 938 956) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point L945-1(line 945) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 956) the Hoare annotation is: true [2023-04-03 01:09:29,276 INFO L895 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= |old(~waterLevel~0)| 1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse4 (or .cse5 (= ~waterLevel~0 1)) .cse6) .cse1 .cse7) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse2 .cse3))) [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point L795(lines 791 813) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point L793(lines 791 813) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2023-04-03 01:09:29,276 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 788 814) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 (and .cse7 .cse8)) (or .cse1 (and .cse7 .cse9) .cse2 .cse3 .cse4) (or .cse2 .cse10 .cse3 .cse4 (and .cse9 .cse11)) (or .cse0 (and (= ~switchedOnBeforeTS~0 1) (or .cse9 .cse8) .cse11) .cse2 .cse10) (or .cse0 .cse1 .cse6 .cse2 .cse5))) [2023-04-03 01:09:29,277 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2023-04-03 01:09:29,277 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2023-04-03 01:09:29,277 INFO L895 garLoopResultBuilder]: At program point L802(lines 802 808) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse6 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 .cse10 .cse3) (and .cse10 .cse6))))) [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2023-04-03 01:09:29,277 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-04-03 01:09:29,277 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-03 01:09:29,277 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-04-03 01:09:29,277 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-04-03 01:09:29,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 659 667) the Hoare annotation is: true [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 659 667) no Hoare annotation was computed. [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 623 634) no Hoare annotation was computed. [2023-04-03 01:09:29,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 634) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 957 964) no Hoare annotation was computed. [2023-04-03 01:09:29,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~pumpRunning~0 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or .cse1 .cse2 .cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2023-04-03 01:09:29,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 646) the Hoare annotation is: (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (<= |old(~waterLevel~0)| 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse2 .cse3 (let ((.cse4 (not (= ~pumpRunning~0 0)))) (and (or .cse4 .cse0 .cse5 .cse6) (or .cse4 .cse7 .cse0)))) (or (and (or .cse7 .cse0) (or .cse0 .cse5 .cse6)) .cse1 .cse2 .cse3))) [2023-04-03 01:09:29,278 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 207 214) the Hoare annotation is: true [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2023-04-03 01:09:29,278 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 207 214) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 234 240) the Hoare annotation is: true [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 234 240) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 62 71) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 71) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))) (or .cse0 (< 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 1) .cse3))) [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse2 .cse5))) [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-04-03 01:09:29,279 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2023-04-03 01:09:29,279 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 72 100) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 100) the Hoare annotation is: true [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 893 901) the Hoare annotation is: true [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 902 937) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 902 937) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 257 302) no Hoare annotation was computed. [2023-04-03 01:09:29,280 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 257 302) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 169 179) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 169 179) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 169 179) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 882 892) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 892) the Hoare annotation is: true [2023-04-03 01:09:29,281 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point L887-1(line 887) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 874 881) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 874 881) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 524 569) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 524 569) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 848 855) no Hoare annotation was computed. [2023-04-03 01:09:29,281 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 848 855) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:09:29,281 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 217 226) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 217 226) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L471(lines 470 490) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L502-1(line 502) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 508) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 421 523) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 421 523) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L470-2(lines 470 490) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 421 523) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L491(lines 469 492) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 466) no Hoare annotation was computed. [2023-04-03 01:09:29,282 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |old(~waterLevel~0)| ~waterLevel~0) (= ~waterLevel~0 1))) [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 647 658) the Hoare annotation is: true [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 161 167) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 161 167) the Hoare annotation is: true [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:09:29,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:09:29,283 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:09:29,286 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:29,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:09:29,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:09:29 BoogieIcfgContainer [2023-04-03 01:09:29,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:09:29,300 INFO L158 Benchmark]: Toolchain (without parser) took 16651.46ms. Allocated memory was 357.6MB in the beginning and 924.8MB in the end (delta: 567.3MB). Free memory was 308.9MB in the beginning and 385.3MB in the end (delta: -76.5MB). Peak memory consumption was 491.6MB. Max. memory is 8.0GB. [2023-04-03 01:09:29,300 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 137.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:09:29,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.51ms. Allocated memory is still 357.6MB. Free memory was 308.9MB in the beginning and 290.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:09:29,301 INFO L158 Benchmark]: Boogie Preprocessor took 60.91ms. Allocated memory is still 357.6MB. Free memory was 290.3MB in the beginning and 286.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:09:29,301 INFO L158 Benchmark]: RCFGBuilder took 746.68ms. Allocated memory is still 357.6MB. Free memory was 286.8MB in the beginning and 297.7MB in the end (delta: -10.9MB). Peak memory consumption was 39.2MB. Max. memory is 8.0GB. [2023-04-03 01:09:29,302 INFO L158 Benchmark]: TraceAbstraction took 15415.16ms. Allocated memory was 357.6MB in the beginning and 924.8MB in the end (delta: 567.3MB). Free memory was 296.7MB in the beginning and 385.3MB in the end (delta: -88.6MB). Peak memory consumption was 478.6MB. Max. memory is 8.0GB. [2023-04-03 01:09:29,302 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 195.0MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 137.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.51ms. Allocated memory is still 357.6MB. Free memory was 308.9MB in the beginning and 290.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.91ms. Allocated memory is still 357.6MB. Free memory was 290.3MB in the beginning and 286.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 746.68ms. Allocated memory is still 357.6MB. Free memory was 286.8MB in the beginning and 297.7MB in the end (delta: -10.9MB). Peak memory consumption was 39.2MB. Max. memory is 8.0GB. * TraceAbstraction took 15415.16ms. Allocated memory was 357.6MB in the beginning and 924.8MB in the end (delta: 567.3MB). Free memory was 296.7MB in the beginning and 385.3MB in the end (delta: -88.6MB). Peak memory consumption was 478.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 187 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1275 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1224 mSDsluCounter, 3301 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2433 mSDsCounter, 608 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2959 IncrementalHoareTripleChecker+Invalid, 3567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 608 mSolverCounterUnsat, 868 mSDtfsCounter, 2959 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 347 SyntacticMatches, 13 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3522 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=7, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 143 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 748 PreInvPairs, 802 NumberOfFragments, 1853 HoareAnnotationTreeSize, 748 FomulaSimplifications, 2970 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5202 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 844 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 3 NumberOfNonLiveVariables, 510 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 91/110 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: 725]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || ((((splverifierCounter == 0 && 1 < waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || (((((pumpRunning == 0 && splverifierCounter == 0) && 1 < waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:09:29,316 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...