/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:51,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:51,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:51,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:51,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:51,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:51,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:51,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:51,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:51,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:51,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:51,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:51,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:51,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:51,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:51,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:51,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:51,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:51,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:51,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:51,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:51,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:51,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:51,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:51,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:51,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:51,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:51,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:51,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:51,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:51,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:51,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:51,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:51,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:51,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:51,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:51,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:51,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:51,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:51,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:51,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:51,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:00:51,220 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:51,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:51,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:51,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:51,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:51,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:51,222 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:51,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:51,222 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:51,222 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:51,223 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:51,223 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:51,224 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:51,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:51,224 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:51,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:51,225 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:51,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:51,226 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:51,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:51,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:51,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:51,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:51,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:51,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:51,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:51,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:51,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:51,514 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:51,514 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:51,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2023-04-03 01:00:52,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:53,141 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:53,141 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2023-04-03 01:00:53,152 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba96a8692/d3b13460aee74784bc4684cf5023e7c0/FLAG5d6f1ed1e [2023-04-03 01:00:53,169 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba96a8692/d3b13460aee74784bc4684cf5023e7c0 [2023-04-03 01:00:53,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:53,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:53,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:53,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:53,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:53,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569c29ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53, skipping insertion in model container [2023-04-03 01:00:53,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:53,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:53,557 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18403,18416] [2023-04-03 01:00:53,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:53,577 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:53,636 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18403,18416] [2023-04-03 01:00:53,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:53,657 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:53,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53 WrapperNode [2023-04-03 01:00:53,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:53,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:53,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:53,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:53,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:53,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:53,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:53,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:53,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (1/1) ... [2023-04-03 01:00:53,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:53,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:53,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:53,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:00:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:00:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:53,968 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:53,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:54,611 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:54,747 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:54,748 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:54,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:54 BoogieIcfgContainer [2023-04-03 01:00:54,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:54,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:54,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:54,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:54,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:53" (1/3) ... [2023-04-03 01:00:54,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd65e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:54, skipping insertion in model container [2023-04-03 01:00:54,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:53" (2/3) ... [2023-04-03 01:00:54,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd65e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:54, skipping insertion in model container [2023-04-03 01:00:54,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:54" (3/3) ... [2023-04-03 01:00:54,760 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2023-04-03 01:00:54,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:54,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:54,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:54,830 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;@3a63e8f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:54,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 80 states have internal predecessors, (86), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-03 01:00:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:54,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:54,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:54,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:54,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash -944008400, now seen corresponding path program 1 times [2023-04-03 01:00:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554905113] [2023-04-03 01:00:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:55,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:55,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554905113] [2023-04-03 01:00:55,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554905113] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:55,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:55,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442802273] [2023-04-03 01:00:55,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:55,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:55,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:55,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:55,184 INFO L87 Difference]: Start difference. First operand has 145 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 80 states have internal predecessors, (86), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:55,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:55,269 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2023-04-03 01:00:55,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:55,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:55,280 INFO L225 Difference]: With dead ends: 220 [2023-04-03 01:00:55,281 INFO L226 Difference]: Without dead ends: 112 [2023-04-03 01:00:55,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:55,288 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:55,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-04-03 01:00:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-04-03 01:00:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 68 states have internal predecessors, (72), 31 states have call successors, (31), 27 states have call predecessors, (31), 22 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-03 01:00:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-04-03 01:00:55,350 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 46 [2023-04-03 01:00:55,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:55,351 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-04-03 01:00:55,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-04-03 01:00:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:55,356 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:55,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:55,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:55,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:55,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash 422732967, now seen corresponding path program 1 times [2023-04-03 01:00:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:55,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908711433] [2023-04-03 01:00:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:55,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:55,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:55,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908711433] [2023-04-03 01:00:55,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908711433] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:55,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:55,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:55,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306580172] [2023-04-03 01:00:55,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:55,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:55,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:55,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:55,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:55,504 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:55,574 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2023-04-03 01:00:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:55,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:00:55,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:55,578 INFO L225 Difference]: With dead ends: 169 [2023-04-03 01:00:55,578 INFO L226 Difference]: Without dead ends: 104 [2023-04-03 01:00:55,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:55,583 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 11 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:55,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:55,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-04-03 01:00:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-04-03 01:00:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 63 states have internal predecessors, (66), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-03 01:00:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2023-04-03 01:00:55,596 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 47 [2023-04-03 01:00:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:55,596 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2023-04-03 01:00:55,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2023-04-03 01:00:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:00:55,604 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:55,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:55,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:55,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:55,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:55,605 INFO L85 PathProgramCache]: Analyzing trace with hash 207296618, now seen corresponding path program 1 times [2023-04-03 01:00:55,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:55,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312015053] [2023-04-03 01:00:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:55,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:55,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312015053] [2023-04-03 01:00:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312015053] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:55,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:55,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:55,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201151053] [2023-04-03 01:00:55,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:55,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:55,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:55,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:55,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:55,878 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:56,194 INFO L93 Difference]: Finished difference Result 307 states and 363 transitions. [2023-04-03 01:00:56,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:00:56,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-03 01:00:56,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:56,203 INFO L225 Difference]: With dead ends: 307 [2023-04-03 01:00:56,204 INFO L226 Difference]: Without dead ends: 228 [2023-04-03 01:00:56,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:56,213 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 238 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:56,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 463 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:56,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-04-03 01:00:56,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2023-04-03 01:00:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 133 states have internal predecessors, (147), 51 states have call successors, (51), 47 states have call predecessors, (51), 43 states have return successors, (48), 43 states have call predecessors, (48), 47 states have call successors, (48) [2023-04-03 01:00:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2023-04-03 01:00:56,245 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 50 [2023-04-03 01:00:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:56,245 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2023-04-03 01:00:56,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2023-04-03 01:00:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:00:56,246 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:56,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:56,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:56,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:56,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash -525786215, now seen corresponding path program 1 times [2023-04-03 01:00:56,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482595965] [2023-04-03 01:00:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:56,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482595965] [2023-04-03 01:00:56,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482595965] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:56,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:56,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241126862] [2023-04-03 01:00:56,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:56,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:56,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:56,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:56,451 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:00:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:56,604 INFO L93 Difference]: Finished difference Result 562 states and 675 transitions. [2023-04-03 01:00:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:56,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2023-04-03 01:00:56,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:56,607 INFO L225 Difference]: With dead ends: 562 [2023-04-03 01:00:56,607 INFO L226 Difference]: Without dead ends: 377 [2023-04-03 01:00:56,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:56,614 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 76 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:56,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 434 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-04-03 01:00:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 365. [2023-04-03 01:00:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 204 states have (on average 1.2696078431372548) internal successors, (259), 236 states have internal predecessors, (259), 86 states have call successors, (86), 78 states have call predecessors, (86), 74 states have return successors, (84), 74 states have call predecessors, (84), 82 states have call successors, (84) [2023-04-03 01:00:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 429 transitions. [2023-04-03 01:00:56,656 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 429 transitions. Word has length 55 [2023-04-03 01:00:56,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:56,657 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 429 transitions. [2023-04-03 01:00:56,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:00:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 429 transitions. [2023-04-03 01:00:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-03 01:00:56,659 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:56,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:56,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:56,659 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:56,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:56,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1020237231, now seen corresponding path program 1 times [2023-04-03 01:00:56,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:56,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106287960] [2023-04-03 01:00:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:56,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:56,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106287960] [2023-04-03 01:00:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106287960] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:56,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:56,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37506726] [2023-04-03 01:00:56,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:56,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:56,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:56,847 INFO L87 Difference]: Start difference. First operand 365 states and 429 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:00:57,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:57,260 INFO L93 Difference]: Finished difference Result 953 states and 1212 transitions. [2023-04-03 01:00:57,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:00:57,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-04-03 01:00:57,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:57,265 INFO L225 Difference]: With dead ends: 953 [2023-04-03 01:00:57,265 INFO L226 Difference]: Without dead ends: 613 [2023-04-03 01:00:57,267 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 [2023-04-03 01:00:57,267 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 133 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:57,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 245 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-04-03 01:00:57,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 538. [2023-04-03 01:00:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 309 states have (on average 1.2233009708737863) internal successors, (378), 337 states have internal predecessors, (378), 114 states have call successors, (114), 106 states have call predecessors, (114), 114 states have return successors, (144), 112 states have call predecessors, (144), 110 states have call successors, (144) [2023-04-03 01:00:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 636 transitions. [2023-04-03 01:00:57,319 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 636 transitions. Word has length 58 [2023-04-03 01:00:57,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:57,319 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 636 transitions. [2023-04-03 01:00:57,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:00:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 636 transitions. [2023-04-03 01:00:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-04-03 01:00:57,322 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:57,322 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] [2023-04-03 01:00:57,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:00:57,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:57,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:57,323 INFO L85 PathProgramCache]: Analyzing trace with hash -743993455, now seen corresponding path program 1 times [2023-04-03 01:00:57,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:57,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097931007] [2023-04-03 01:00:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:57,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:00:57,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:57,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097931007] [2023-04-03 01:00:57,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097931007] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:57,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078997298] [2023-04-03 01:00:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:57,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:57,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:57,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:57,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:00:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:57,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:00:57,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:58,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:58,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078997298] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:58,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:58,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-03 01:00:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181566538] [2023-04-03 01:00:58,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:58,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:00:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:58,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:00:58,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:58,021 INFO L87 Difference]: Start difference. First operand 538 states and 636 transitions. Second operand has 11 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:00:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:58,331 INFO L93 Difference]: Finished difference Result 1277 states and 1574 transitions. [2023-04-03 01:00:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:00:58,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 83 [2023-04-03 01:00:58,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:58,336 INFO L225 Difference]: With dead ends: 1277 [2023-04-03 01:00:58,336 INFO L226 Difference]: Without dead ends: 764 [2023-04-03 01:00:58,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-03 01:00:58,339 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 94 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:58,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 624 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:58,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2023-04-03 01:00:58,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 744. [2023-04-03 01:00:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 435 states have (on average 1.2183908045977012) internal successors, (530), 468 states have internal predecessors, (530), 157 states have call successors, (157), 147 states have call predecessors, (157), 151 states have return successors, (200), 152 states have call predecessors, (200), 153 states have call successors, (200) [2023-04-03 01:00:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 887 transitions. [2023-04-03 01:00:58,398 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 887 transitions. Word has length 83 [2023-04-03 01:00:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:58,398 INFO L495 AbstractCegarLoop]: Abstraction has 744 states and 887 transitions. [2023-04-03 01:00:58,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:00:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 887 transitions. [2023-04-03 01:00:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 01:00:58,402 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:58,402 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:58,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:00:58,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 01:00:58,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:58,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:58,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1485868883, now seen corresponding path program 1 times [2023-04-03 01:00:58,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:58,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818186064] [2023-04-03 01:00:58,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:00:59,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818186064] [2023-04-03 01:00:59,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818186064] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315841386] [2023-04-03 01:00:59,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:59,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:59,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:59,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:00:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-03 01:00:59,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:00:59,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:59,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315841386] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:59,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2023-04-03 01:00:59,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901353001] [2023-04-03 01:00:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:00:59,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:00:59,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2023-04-03 01:00:59,688 INFO L87 Difference]: Start difference. First operand 744 states and 887 transitions. Second operand has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 6 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-04-03 01:01:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:00,815 INFO L93 Difference]: Finished difference Result 2128 states and 2664 transitions. [2023-04-03 01:01:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-03 01:01:00,816 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 6 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) Word has length 115 [2023-04-03 01:01:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:00,823 INFO L225 Difference]: With dead ends: 2128 [2023-04-03 01:01:00,823 INFO L226 Difference]: Without dead ends: 1409 [2023-04-03 01:01:00,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=1732, Unknown=0, NotChecked=0, Total=1980 [2023-04-03 01:01:00,826 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 217 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:00,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 373 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:01:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2023-04-03 01:01:00,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1326. [2023-04-03 01:01:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 813 states have (on average 1.2263222632226323) internal successors, (997), 858 states have internal predecessors, (997), 266 states have call successors, (266), 264 states have call predecessors, (266), 246 states have return successors, (346), 242 states have call predecessors, (346), 262 states have call successors, (346) [2023-04-03 01:01:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1609 transitions. [2023-04-03 01:01:00,922 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1609 transitions. Word has length 115 [2023-04-03 01:01:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:00,922 INFO L495 AbstractCegarLoop]: Abstraction has 1326 states and 1609 transitions. [2023-04-03 01:01:00,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 6 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-04-03 01:01:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1609 transitions. [2023-04-03 01:01:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-03 01:01:00,926 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:00,926 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-04-03 01:01:00,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:01,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 01:01:01,133 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:01,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:01,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1365677787, now seen corresponding path program 1 times [2023-04-03 01:01:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:01,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885149027] [2023-04-03 01:01:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 01:01:01,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885149027] [2023-04-03 01:01:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885149027] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:01,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:01,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:01,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190004823] [2023-04-03 01:01:01,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:01,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:01,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:01,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:01,212 INFO L87 Difference]: Start difference. First operand 1326 states and 1609 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 01:01:01,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:01,334 INFO L93 Difference]: Finished difference Result 1581 states and 1927 transitions. [2023-04-03 01:01:01,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:01,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2023-04-03 01:01:01,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:01,341 INFO L225 Difference]: With dead ends: 1581 [2023-04-03 01:01:01,341 INFO L226 Difference]: Without dead ends: 1578 [2023-04-03 01:01:01,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:01,342 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 84 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:01,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 180 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2023-04-03 01:01:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1512. [2023-04-03 01:01:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 916 states have (on average 1.224890829694323) internal successors, (1122), 972 states have internal predecessors, (1122), 307 states have call successors, (307), 303 states have call predecessors, (307), 288 states have return successors, (418), 280 states have call predecessors, (418), 303 states have call successors, (418) [2023-04-03 01:01:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1847 transitions. [2023-04-03 01:01:01,439 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1847 transitions. Word has length 118 [2023-04-03 01:01:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:01,439 INFO L495 AbstractCegarLoop]: Abstraction has 1512 states and 1847 transitions. [2023-04-03 01:01:01,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-03 01:01:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1847 transitions. [2023-04-03 01:01:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-03 01:01:01,444 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:01,445 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:01,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:01:01,445 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:01,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:01,445 INFO L85 PathProgramCache]: Analyzing trace with hash -826085467, now seen corresponding path program 1 times [2023-04-03 01:01:01,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:01,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739433947] [2023-04-03 01:01:01,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:01,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 01:01:01,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-03 01:01:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 01:01:01,523 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-03 01:01:01,524 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-03 01:01:01,524 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:01:01,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 01:01:01,528 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:01,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:01,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:01 BoogieIcfgContainer [2023-04-03 01:01:01,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:01,595 INFO L158 Benchmark]: Toolchain (without parser) took 8422.08ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 203.8MB in the beginning and 128.5MB in the end (delta: 75.4MB). Peak memory consumption was 125.7MB. Max. memory is 8.0GB. [2023-04-03 01:01:01,595 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 177.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:01,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.30ms. Allocated memory is still 248.5MB. Free memory was 203.5MB in the beginning and 185.1MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:01:01,596 INFO L158 Benchmark]: Boogie Preprocessor took 84.65ms. Allocated memory is still 248.5MB. Free memory was 185.1MB in the beginning and 181.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:01:01,596 INFO L158 Benchmark]: RCFGBuilder took 1007.41ms. Allocated memory is still 248.5MB. Free memory was 181.5MB in the beginning and 187.3MB in the end (delta: -5.8MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-04-03 01:01:01,596 INFO L158 Benchmark]: TraceAbstraction took 6840.92ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 186.8MB in the beginning and 128.5MB in the end (delta: 58.3MB). Peak memory consumption was 108.2MB. Max. memory is 8.0GB. [2023-04-03 01:01:01,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 177.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 480.30ms. Allocated memory is still 248.5MB. Free memory was 203.5MB in the beginning and 185.1MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.65ms. Allocated memory is still 248.5MB. Free memory was 185.1MB in the beginning and 181.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1007.41ms. Allocated memory is still 248.5MB. Free memory was 181.5MB in the beginning and 187.3MB in the end (delta: -5.8MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6840.92ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 186.8MB in the beginning and 128.5MB in the end (delta: 58.3MB). Peak memory consumption was 108.2MB. 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 - CounterExampleResult [Line: 956]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int cleanupTimeShifts = 4; [L658] int methAndRunningLastTime ; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L598] int retValue_acc ; [L599] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L603] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L604] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L605] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); [L605] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L605] tmp = valid_product() [L607] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L609] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L610] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] methAndRunningLastTime = 0 [L588] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L589] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L720] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 [L720] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L781] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L783] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L806] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L808] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L918] int retValue_acc ; [L919] int tmp ; [L920] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] int retValue_acc ; [L140] COND FALSE !(waterLevel < 2) [L144] retValue_acc = 0 [L145] return (retValue_acc); [L924] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] tmp = isHighWaterSensorDry() [L926] COND FALSE !(\read(tmp)) [L929] tmp___0 = 1 [L931] retValue_acc = tmp___0 [L932] return (retValue_acc); [L808] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L808] tmp = isHighWaterLevel() [L810] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L812] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L837] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L866] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L866] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L866] retValue_acc = isMethaneLevelCritical() [L868] return (retValue_acc); [L841] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] tmp = isMethaneAlarm() [L843] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L847] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] pumpRunning = 1 [L847] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L812] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L783] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L789] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L668] int tmp ; [L669] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L691] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L789] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L753] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L708] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-1, waterLevel=2] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-1, waterLevel=2] [L730] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L87] COND FALSE !(\read(methaneLevelCritical)) [L90] methaneLevelCritical = 1 [L730] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-1, waterLevel=2] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-3, waterLevel=2] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L776] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L63] COND TRUE waterLevel > 0 [L64] waterLevel = waterLevel - 1 [L776] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L783] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L803] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L806] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L821] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L783] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L789] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] int tmp ; [L669] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L673] tmp = isMethaneLevelCritical() [L675] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L677] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L873] int retValue_acc ; [L876] retValue_acc = pumpRunning [L877] return (retValue_acc); [L677] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L677] tmp___0 = isPumpRunning() [L679] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L680] COND FALSE !(\read(methAndRunningLastTime)) [L685] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L789] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L753] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-3, waterLevel=1] [L708] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-3, waterLevel=1] [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___2=-3, waterLevel=1] [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-3, waterLevel=1] [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=-4, waterLevel=1] [L753] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L63] COND TRUE waterLevel > 0 [L64] waterLevel = waterLevel - 1 [L776] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L781] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L783] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L803] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L806] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L821] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L783] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L789] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L668] int tmp ; [L669] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L673] tmp = isMethaneLevelCritical() [L675] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L677] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L873] int retValue_acc ; [L876] retValue_acc = pumpRunning [L877] return (retValue_acc); [L677] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L677] tmp___0 = isPumpRunning() [L679] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L680] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L682] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L956] reach_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 892 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 853 mSDsluCounter, 2632 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1873 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2439 IncrementalHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 759 mSDtfsCounter, 2439 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1512occurred in iteration=8, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 274 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 926 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 760 ConstructedInterpolants, 0 QuantifiedInterpolants, 1509 SizeOfPredicates, 15 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 79/82 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 RESULT: Ultimate proved your program to be incorrect! [2023-04-03 01:01:01,620 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...