/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_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:55:19,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:55:19,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:55:19,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:55:19,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:55:19,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:55:19,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:55:19,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:55:19,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:55:19,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:55:19,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:55:19,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:55:19,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:55:19,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:55:19,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:55:19,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:55:19,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:55:19,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:55:19,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:55:19,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:55:19,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:55:19,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:55:19,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:55:19,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:55:19,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:55:19,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:55:19,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:55:19,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:55:19,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:55:19,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:55:19,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:55:19,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:55:19,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:55:19,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:55:19,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:55:19,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:55:19,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:55:19,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:55:19,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:55:19,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:55:19,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:55:19,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:55:19,192 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:55:19,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:55:19,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:55:19,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:55:19,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:55:19,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:55:19,193 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:55:19,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:55:19,193 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:55:19,194 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:55:19,194 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:55:19,195 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:55:19,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:55:19,195 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:55:19,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:55:19,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:55:19,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:55:19,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:55:19,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:55:19,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:55:19,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:55:19,197 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:55:19,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:55:19,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:55:19,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:55:19,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:55:19,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:55:19,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:55:19,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:55:19,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:55:19,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:55:19,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:55:19,456 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:55:19,456 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:55:19,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2023-04-01 05:55:20,675 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:55:20,897 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:55:20,897 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2023-04-01 05:55:20,908 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e314db7/0745fc35d7934473a21f230b55a20766/FLAGbe2fbac9a [2023-04-01 05:55:20,922 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e314db7/0745fc35d7934473a21f230b55a20766 [2023-04-01 05:55:20,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:55:20,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:55:20,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:55:20,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:55:20,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:55:20,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:55:20" (1/1) ... [2023-04-01 05:55:20,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ef7773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:20, skipping insertion in model container [2023-04-01 05:55:20,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:55:20" (1/1) ... [2023-04-01 05:55:20,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:55:20,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:55:21,135 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_spec1_product63.cil.c[6160,6173] [2023-04-01 05:55:21,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:55:21,258 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:55:21,292 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_spec1_product63.cil.c[6160,6173] [2023-04-01 05:55:21,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:55:21,357 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:55:21,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21 WrapperNode [2023-04-01 05:55:21,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:55:21,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:55:21,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:55:21,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:55:21,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:55:21,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:55:21,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:55:21,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:55:21,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (1/1) ... [2023-04-01 05:55:21,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:55:21,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:55:21,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:55:21,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 05:55:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:55:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:55:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-01 05:55:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:55:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:55:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:55:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:55:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:55:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:55:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:55:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:55:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:55:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 05:55:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:55:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:55:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:55:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:55:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:55:21,647 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:55:21,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:55:22,286 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:55:22,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:55:22,442 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:55:22,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:55:22 BoogieIcfgContainer [2023-04-01 05:55:22,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:55:22,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:55:22,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:55:22,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:55:22,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:55:20" (1/3) ... [2023-04-01 05:55:22,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514bb665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:55:22, skipping insertion in model container [2023-04-01 05:55:22,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:21" (2/3) ... [2023-04-01 05:55:22,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514bb665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:55:22, skipping insertion in model container [2023-04-01 05:55:22,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:55:22" (3/3) ... [2023-04-01 05:55:22,455 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2023-04-01 05:55:22,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:55:22,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:55:22,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:55:22,531 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;@24827042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:55:22,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:55:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 95 states have internal predecessors, (100), 54 states have call successors, (54), 32 states have call predecessors, (54), 32 states have return successors, (54), 48 states have call predecessors, (54), 54 states have call successors, (54) [2023-04-01 05:55:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-01 05:55:22,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:22,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:22,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:22,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:22,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1611826292, now seen corresponding path program 1 times [2023-04-01 05:55:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:22,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37433352] [2023-04-01 05:55:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:22,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:22,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:22,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37433352] [2023-04-01 05:55:22,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37433352] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:22,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:22,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:55:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630357254] [2023-04-01 05:55:22,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:22,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:55:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:22,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:55:22,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:55:22,883 INFO L87 Difference]: Start difference. First operand has 167 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 95 states have internal predecessors, (100), 54 states have call successors, (54), 32 states have call predecessors, (54), 32 states have return successors, (54), 48 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:55:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:22,952 INFO L93 Difference]: Finished difference Result 267 states and 330 transitions. [2023-04-01 05:55:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:55:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-01 05:55:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:22,967 INFO L225 Difference]: With dead ends: 267 [2023-04-01 05:55:22,968 INFO L226 Difference]: Without dead ends: 134 [2023-04-01 05:55:22,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:55:22,975 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:22,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:55:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-04-01 05:55:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-04-01 05:55:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 83 states have internal predecessors, (86), 39 states have call successors, (39), 30 states have call predecessors, (39), 25 states have return successors, (34), 28 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-01 05:55:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2023-04-01 05:55:23,022 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 42 [2023-04-01 05:55:23,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:23,023 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2023-04-01 05:55:23,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:55:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2023-04-01 05:55:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 05:55:23,026 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:23,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:23,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:55:23,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:23,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:23,027 INFO L85 PathProgramCache]: Analyzing trace with hash 130194964, now seen corresponding path program 1 times [2023-04-01 05:55:23,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:23,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884895484] [2023-04-01 05:55:23,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:23,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:23,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:23,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884895484] [2023-04-01 05:55:23,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884895484] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:23,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:23,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:55:23,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858335349] [2023-04-01 05:55:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:23,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:55:23,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:55:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:55:23,166 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:55:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:23,241 INFO L93 Difference]: Finished difference Result 218 states and 258 transitions. [2023-04-01 05:55:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:55:23,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-01 05:55:23,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:23,247 INFO L225 Difference]: With dead ends: 218 [2023-04-01 05:55:23,247 INFO L226 Difference]: Without dead ends: 126 [2023-04-01 05:55:23,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:55:23,249 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 11 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:23,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 248 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:55:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-04-01 05:55:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-04-01 05:55:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 64 states have (on average 1.25) internal successors, (80), 78 states have internal predecessors, (80), 36 states have call successors, (36), 29 states have call predecessors, (36), 25 states have return successors, (32), 26 states have call predecessors, (32), 32 states have call successors, (32) [2023-04-01 05:55:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2023-04-01 05:55:23,268 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 43 [2023-04-01 05:55:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:23,268 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2023-04-01 05:55:23,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 05:55:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2023-04-01 05:55:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 05:55:23,281 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:23,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:23,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:55:23,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:23,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash -111232624, now seen corresponding path program 1 times [2023-04-01 05:55:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:23,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240043094] [2023-04-01 05:55:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:23,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240043094] [2023-04-01 05:55:23,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240043094] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:23,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:23,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:55:23,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063206595] [2023-04-01 05:55:23,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:23,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:55:23,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:23,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:55:23,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:55:23,536 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:55:23,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:23,932 INFO L93 Difference]: Finished difference Result 378 states and 457 transitions. [2023-04-01 05:55:23,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:55:23,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-04-01 05:55:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:23,944 INFO L225 Difference]: With dead ends: 378 [2023-04-01 05:55:23,945 INFO L226 Difference]: Without dead ends: 274 [2023-04-01 05:55:23,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:55:23,954 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 315 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:23,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 552 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:55:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-01 05:55:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 266. [2023-04-01 05:55:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 141 states have (on average 1.2765957446808511) internal successors, (180), 169 states have internal predecessors, (180), 72 states have call successors, (72), 58 states have call predecessors, (72), 52 states have return successors, (69), 52 states have call predecessors, (69), 68 states have call successors, (69) [2023-04-01 05:55:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 321 transitions. [2023-04-01 05:55:24,014 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 321 transitions. Word has length 46 [2023-04-01 05:55:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:24,015 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 321 transitions. [2023-04-01 05:55:24,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 05:55:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 321 transitions. [2023-04-01 05:55:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 05:55:24,017 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:24,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:24,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:55:24,017 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:24,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:24,018 INFO L85 PathProgramCache]: Analyzing trace with hash -240588843, now seen corresponding path program 1 times [2023-04-01 05:55:24,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:24,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343174077] [2023-04-01 05:55:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:24,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:24,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:24,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343174077] [2023-04-01 05:55:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343174077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:24,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:55:24,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222806824] [2023-04-01 05:55:24,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:24,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:55:24,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:24,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:55:24,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:55:24,205 INFO L87 Difference]: Start difference. First operand 266 states and 321 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:55:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:24,385 INFO L93 Difference]: Finished difference Result 739 states and 912 transitions. [2023-04-01 05:55:24,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 05:55:24,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2023-04-01 05:55:24,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:24,392 INFO L225 Difference]: With dead ends: 739 [2023-04-01 05:55:24,392 INFO L226 Difference]: Without dead ends: 495 [2023-04-01 05:55:24,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:55:24,400 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 109 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:24,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 565 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:55:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2023-04-01 05:55:24,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 483. [2023-04-01 05:55:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 260 states have (on average 1.2769230769230768) internal successors, (332), 312 states have internal predecessors, (332), 129 states have call successors, (129), 101 states have call predecessors, (129), 93 states have return successors, (127), 93 states have call predecessors, (127), 125 states have call successors, (127) [2023-04-01 05:55:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 588 transitions. [2023-04-01 05:55:24,466 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 588 transitions. Word has length 51 [2023-04-01 05:55:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:24,466 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 588 transitions. [2023-04-01 05:55:24,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:55:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 588 transitions. [2023-04-01 05:55:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-01 05:55:24,469 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:24,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:24,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:55:24,469 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:24,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:24,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2011458357, now seen corresponding path program 1 times [2023-04-01 05:55:24,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621284991] [2023-04-01 05:55:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:24,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:24,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:24,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621284991] [2023-04-01 05:55:24,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621284991] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:24,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:24,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:55:24,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673113592] [2023-04-01 05:55:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:24,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:55:24,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:24,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:55:24,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:55:24,606 INFO L87 Difference]: Start difference. First operand 483 states and 588 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 05:55:25,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:25,063 INFO L93 Difference]: Finished difference Result 1287 states and 1682 transitions. [2023-04-01 05:55:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 05:55:25,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-04-01 05:55:25,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:25,071 INFO L225 Difference]: With dead ends: 1287 [2023-04-01 05:55:25,071 INFO L226 Difference]: Without dead ends: 826 [2023-04-01 05:55:25,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-01 05:55:25,074 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 170 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:25,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 334 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:55:25,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2023-04-01 05:55:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 739. [2023-04-01 05:55:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 414 states have (on average 1.2053140096618358) internal successors, (499), 452 states have internal predecessors, (499), 161 states have call successors, (161), 137 states have call predecessors, (161), 163 states have return successors, (229), 167 states have call predecessors, (229), 157 states have call successors, (229) [2023-04-01 05:55:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 889 transitions. [2023-04-01 05:55:25,160 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 889 transitions. Word has length 54 [2023-04-01 05:55:25,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:25,161 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 889 transitions. [2023-04-01 05:55:25,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-01 05:55:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 889 transitions. [2023-04-01 05:55:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-01 05:55:25,164 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:25,165 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] [2023-04-01 05:55:25,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:55:25,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:25,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash 740250729, now seen corresponding path program 1 times [2023-04-01 05:55:25,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:25,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316600143] [2023-04-01 05:55:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:25,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 05:55:25,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316600143] [2023-04-01 05:55:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316600143] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:55:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395229290] [2023-04-01 05:55:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:55:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:55:25,497 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) [2023-04-01 05:55:25,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:55:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:25,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-01 05:55:25,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:55:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:55:25,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:55:25,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395229290] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:25,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 05:55:25,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-01 05:55:25,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002195975] [2023-04-01 05:55:25,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:25,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 05:55:25,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 05:55:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-01 05:55:25,794 INFO L87 Difference]: Start difference. First operand 739 states and 889 transitions. Second operand has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 05:55:26,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:26,234 INFO L93 Difference]: Finished difference Result 1777 states and 2231 transitions. [2023-04-01 05:55:26,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:55:26,235 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) Word has length 89 [2023-04-01 05:55:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:26,242 INFO L225 Difference]: With dead ends: 1777 [2023-04-01 05:55:26,242 INFO L226 Difference]: Without dead ends: 1060 [2023-04-01 05:55:26,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-01 05:55:26,247 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 124 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:26,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1070 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:55:26,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2023-04-01 05:55:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1040. [2023-04-01 05:55:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 590 states have (on average 1.2033898305084745) internal successors, (710), 638 states have internal predecessors, (710), 228 states have call successors, (228), 194 states have call predecessors, (228), 221 states have return successors, (328), 231 states have call predecessors, (328), 224 states have call successors, (328) [2023-04-01 05:55:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1266 transitions. [2023-04-01 05:55:26,328 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1266 transitions. Word has length 89 [2023-04-01 05:55:26,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:26,330 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 1266 transitions. [2023-04-01 05:55:26,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 05:55:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1266 transitions. [2023-04-01 05:55:26,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 05:55:26,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:26,341 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:26,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 05:55:26,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 05:55:26,548 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:26,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash 964142980, now seen corresponding path program 1 times [2023-04-01 05:55:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:26,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697612372] [2023-04-01 05:55:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:26,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-01 05:55:27,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:27,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697612372] [2023-04-01 05:55:27,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697612372] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:55:27,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833504259] [2023-04-01 05:55:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:27,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:55:27,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:55:27,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:55:27,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 05:55:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:27,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-01 05:55:27,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:55:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 05:55:27,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:55:27,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833504259] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:27,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 05:55:27,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2023-04-01 05:55:27,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643354794] [2023-04-01 05:55:27,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:27,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 05:55:27,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 05:55:27,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2023-04-01 05:55:27,672 INFO L87 Difference]: Start difference. First operand 1040 states and 1266 transitions. Second operand has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-01 05:55:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:29,183 INFO L93 Difference]: Finished difference Result 2906 states and 3691 transitions. [2023-04-01 05:55:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 05:55:29,183 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) Word has length 149 [2023-04-01 05:55:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:29,194 INFO L225 Difference]: With dead ends: 2906 [2023-04-01 05:55:29,195 INFO L226 Difference]: Without dead ends: 1888 [2023-04-01 05:55:29,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=1732, Unknown=0, NotChecked=0, Total=1980 [2023-04-01 05:55:29,202 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 241 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:29,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 426 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 05:55:29,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2023-04-01 05:55:29,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1778. [2023-04-01 05:55:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1074 states have (on average 1.202048417132216) internal successors, (1291), 1134 states have internal predecessors, (1291), 369 states have call successors, (369), 349 states have call predecessors, (369), 334 states have return successors, (524), 339 states have call predecessors, (524), 365 states have call successors, (524) [2023-04-01 05:55:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2184 transitions. [2023-04-01 05:55:29,371 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2184 transitions. Word has length 149 [2023-04-01 05:55:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:29,372 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2184 transitions. [2023-04-01 05:55:29,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-01 05:55:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2184 transitions. [2023-04-01 05:55:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-01 05:55:29,379 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:29,379 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:29,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 05:55:29,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-01 05:55:29,587 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:29,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1385878002, now seen corresponding path program 1 times [2023-04-01 05:55:29,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:29,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143726816] [2023-04-01 05:55:29,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-01 05:55:29,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:29,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143726816] [2023-04-01 05:55:29,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143726816] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:29,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:29,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:55:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57024448] [2023-04-01 05:55:29,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:29,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:55:29,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:55:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:55:29,808 INFO L87 Difference]: Start difference. First operand 1778 states and 2184 transitions. Second operand has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-01 05:55:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:30,325 INFO L93 Difference]: Finished difference Result 4474 states and 5598 transitions. [2023-04-01 05:55:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:55:30,326 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) Word has length 152 [2023-04-01 05:55:30,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:30,329 INFO L225 Difference]: With dead ends: 4474 [2023-04-01 05:55:30,329 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:55:30,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-01 05:55:30,340 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 128 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:30,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 782 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:55:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:55:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:55:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:55:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:55:30,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2023-04-01 05:55:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:30,343 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:55:30,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-01 05:55:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:55:30,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:55:30,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:55:30,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 05:55:30,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point L495(lines 472 496) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 448 503) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2023-04-01 05:55:35,466 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point L556(lines 529 557) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 504 563) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point L549-1(line 549) no Hoare annotation was computed. [2023-04-01 05:55:35,467 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2023-04-01 05:55:35,468 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1016 1024) the Hoare annotation is: true [2023-04-01 05:55:35,468 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 837 859) no Hoare annotation was computed. [2023-04-01 05:55:35,469 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:55:35,469 INFO L895 garLoopResultBuilder]: At program point L849-1(line 849) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:55:35,469 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 854) no Hoare annotation was computed. [2023-04-01 05:55:35,469 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 854) no Hoare annotation was computed. [2023-04-01 05:55:35,469 INFO L899 garLoopResultBuilder]: For program point L845(line 845) no Hoare annotation was computed. [2023-04-01 05:55:35,470 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,470 INFO L895 garLoopResultBuilder]: At program point L843(line 843) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,470 INFO L895 garLoopResultBuilder]: At program point L843-1(line 843) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,470 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 837 859) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,470 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2023-04-01 05:55:35,470 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-04-01 05:55:35,470 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L799(line 799) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L798(line 798) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 793 816) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L807(line 807) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2023-04-01 05:55:35,471 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 301 315) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 301 315) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-01 05:55:35,472 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2023-04-01 05:55:35,472 INFO L902 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: true [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point L289-1(line 289) no Hoare annotation was computed. [2023-04-01 05:55:35,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 300) the Hoare annotation is: true [2023-04-01 05:55:35,472 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 282 300) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2023-04-01 05:55:35,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 715 760) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 980) the Hoare annotation is: true [2023-04-01 05:55:35,473 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,473 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 165) no Hoare annotation was computed. [2023-04-01 05:55:35,473 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-01 05:55:35,474 INFO L899 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2023-04-01 05:55:35,474 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 170) no Hoare annotation was computed. [2023-04-01 05:55:35,474 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 149 173) no Hoare annotation was computed. [2023-04-01 05:55:35,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 173) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,474 INFO L895 garLoopResultBuilder]: At program point L168(line 168) the Hoare annotation is: (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-04-01 05:55:35,474 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 149 173) no Hoare annotation was computed. [2023-04-01 05:55:35,474 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-01 05:55:35,474 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2023-04-01 05:55:35,474 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2023-04-01 05:55:35,475 INFO L895 garLoopResultBuilder]: At program point L378(lines 329 379) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:55:35,475 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 320 385) no Hoare annotation was computed. [2023-04-01 05:55:35,475 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:55:35,475 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 372) no Hoare annotation was computed. [2023-04-01 05:55:35,475 INFO L895 garLoopResultBuilder]: At program point L366-1(lines 360 373) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:55:35,475 INFO L899 garLoopResultBuilder]: For program point L331(lines 330 377) no Hoare annotation was computed. [2023-04-01 05:55:35,475 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 320 385) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,475 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 373) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L895 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point L350-1(lines 350 356) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L895 garLoopResultBuilder]: At program point L375(lines 330 377) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 05:55:35,476 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 346) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 320 385) no Hoare annotation was computed. [2023-04-01 05:55:35,476 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 181) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,476 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 174 181) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 981 989) the Hoare annotation is: true [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 935 957) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 935 957) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 182 198) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 182 198) no Hoare annotation was computed. [2023-04-01 05:55:35,477 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,477 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-04-01 05:55:35,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 182 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,478 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 263 281) no Hoare annotation was computed. [2023-04-01 05:55:35,478 INFO L902 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: true [2023-04-01 05:55:35,478 INFO L899 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2023-04-01 05:55:35,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 281) the Hoare annotation is: true [2023-04-01 05:55:35,478 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 958 966) no Hoare annotation was computed. [2023-04-01 05:55:35,478 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2023-04-01 05:55:35,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 934) the Hoare annotation is: true [2023-04-01 05:55:35,478 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2023-04-01 05:55:35,479 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (or .cse1 (<= 2 ~waterLevel~0) (< |old(~waterLevel~0)| 2)) (or .cse1 (not .cse0)))) [2023-04-01 05:55:35,479 INFO L895 garLoopResultBuilder]: At program point L76(lines 76 82) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and (= ~pumpRunning~0 0) .cse1)) (.cse4 (and .cse0 .cse6 .cse1 (not .cse2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4) (or .cse5 .cse6 (< |old(~waterLevel~0)| 2))))) [2023-04-01 05:55:35,479 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2023-04-01 05:55:35,479 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 88) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) .cse4)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse2) (or .cse3 .cse0 .cse1))) [2023-04-01 05:55:35,479 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (= 0 ~systemActive~0))) [2023-04-01 05:55:35,479 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2023-04-01 05:55:35,479 INFO L899 garLoopResultBuilder]: For program point L69(lines 68 87) no Hoare annotation was computed. [2023-04-01 05:55:35,479 INFO L902 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2023-04-01 05:55:35,480 INFO L902 garLoopResultBuilder]: At program point L788(lines 763 792) the Hoare annotation is: true [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2023-04-01 05:55:35,480 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 763 792) the Hoare annotation is: true [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 781) no Hoare annotation was computed. [2023-04-01 05:55:35,480 INFO L902 garLoopResultBuilder]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2023-04-01 05:55:35,480 INFO L902 garLoopResultBuilder]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-04-01 05:55:35,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,480 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2023-04-01 05:55:35,481 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,481 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2023-04-01 05:55:35,481 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse2)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (= ~pumpRunning~0 0))) (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1)))) [2023-04-01 05:55:35,481 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) .cse1))) [2023-04-01 05:55:35,481 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 97 121) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,481 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2023-04-01 05:55:35,481 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:55:35,481 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 913) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse1))) [2023-04-01 05:55:35,482 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 387 394) the Hoare annotation is: true [2023-04-01 05:55:35,482 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2023-04-01 05:55:35,482 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2023-04-01 05:55:35,482 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2023-04-01 05:55:35,483 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 123 147) no Hoare annotation was computed. [2023-04-01 05:55:35,483 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 123 147) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,483 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,483 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2023-04-01 05:55:35,483 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 218 226) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 218 226) the Hoare annotation is: true [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point L257-1(line 257) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 227 262) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 227 262) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 402 447) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 824 833) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 207 217) no Hoare annotation was computed. [2023-04-01 05:55:35,484 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 207 217) the Hoare annotation is: true [2023-04-01 05:55:35,485 INFO L902 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 199 206) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 199 206) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 669 714) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L636(lines 614 637) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 611) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 566 668) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L616(lines 615 635) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2023-04-01 05:55:35,485 INFO L899 garLoopResultBuilder]: For program point L647-1(line 647) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 653) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 992 1001) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 992 1001) no Hoare annotation was computed. [2023-04-01 05:55:35,486 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) [2023-04-01 05:55:35,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:55:35,487 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 861 885) no Hoare annotation was computed. [2023-04-01 05:55:35,487 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-01 05:55:35,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 861 885) the Hoare annotation is: true [2023-04-01 05:55:35,488 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-04-01 05:55:35,488 INFO L895 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-01 05:55:35,488 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2023-04-01 05:55:35,488 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 882) no Hoare annotation was computed. [2023-04-01 05:55:35,488 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 861 885) no Hoare annotation was computed. [2023-04-01 05:55:35,488 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2023-04-01 05:55:35,488 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2023-04-01 05:55:35,491 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:55:35,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:55:35,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:55:35 BoogieIcfgContainer [2023-04-01 05:55:35,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:55:35,504 INFO L158 Benchmark]: Toolchain (without parser) took 14578.74ms. Allocated memory was 255.9MB in the beginning and 550.5MB in the end (delta: 294.6MB). Free memory was 203.8MB in the beginning and 225.0MB in the end (delta: -21.2MB). Peak memory consumption was 276.9MB. Max. memory is 8.0GB. [2023-04-01 05:55:35,504 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:55:35,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.70ms. Allocated memory is still 255.9MB. Free memory was 203.5MB in the beginning and 184.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 05:55:35,505 INFO L158 Benchmark]: Boogie Preprocessor took 89.51ms. Allocated memory is still 255.9MB. Free memory was 184.6MB in the beginning and 181.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:55:35,505 INFO L158 Benchmark]: RCFGBuilder took 996.25ms. Allocated memory is still 255.9MB. Free memory was 181.1MB in the beginning and 172.8MB in the end (delta: 8.3MB). Peak memory consumption was 23.0MB. Max. memory is 8.0GB. [2023-04-01 05:55:35,505 INFO L158 Benchmark]: TraceAbstraction took 13055.77ms. Allocated memory was 255.9MB in the beginning and 550.5MB in the end (delta: 294.6MB). Free memory was 172.2MB in the beginning and 225.0MB in the end (delta: -52.8MB). Peak memory consumption was 244.5MB. Max. memory is 8.0GB. [2023-04-01 05:55:35,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.70ms. Allocated memory is still 255.9MB. Free memory was 203.5MB in the beginning and 184.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.51ms. Allocated memory is still 255.9MB. Free memory was 184.6MB in the beginning and 181.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 996.25ms. Allocated memory is still 255.9MB. Free memory was 181.1MB in the beginning and 172.8MB in the end (delta: 8.3MB). Peak memory consumption was 23.0MB. Max. memory is 8.0GB. * TraceAbstraction took 13055.77ms. Allocated memory was 255.9MB in the beginning and 550.5MB in the end (delta: 294.6MB). Free memory was 172.2MB in the beginning and 225.0MB in the end (delta: -52.8MB). Peak memory consumption was 244.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1162 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1098 mSDsluCounter, 4129 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3159 mSDsCounter, 292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4010 IncrementalHoareTripleChecker+Invalid, 4302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 292 mSolverCounterUnsat, 970 mSDtfsCounter, 4010 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 368 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=7, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 237 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3846 PreInvPairs, 4200 NumberOfFragments, 1199 HoareAnnotationTreeSize, 3846 FomulaSimplifications, 3606 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 71 FomulaSimplificationsInter, 20142 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 854 ConstructedInterpolants, 0 QuantifiedInterpolants, 1598 SizeOfPredicates, 15 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 129/136 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: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && splverifierCounter == 0) || 1 < \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 05:55:35,524 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...