/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:37,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:37,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:37,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:37,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:37,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:37,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:37,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:37,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:37,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:37,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:37,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:37,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:37,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:37,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:37,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:37,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:37,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:37,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:37,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:37,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:37,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:37,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:37,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:37,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:37,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:37,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:37,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:37,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:37,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:37,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:37,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:37,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:37,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:37,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:37,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:37,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:37,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:37,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:37,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:37,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:22:37,268 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:37,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:37,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:37,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:37,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:37,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:37,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:37,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:37,271 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:37,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:37,272 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:37,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:37,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:37,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:37,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:37,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:37,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:37,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:37,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:37,275 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:37,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:37,275 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:37,275 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:37,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:37,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:37,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:37,506 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:37,507 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:37,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-04-02 04:22:38,622 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:38,829 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:38,830 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2023-04-02 04:22:38,844 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56d2c11fa/e67b385c98254247abd7132d32c15829/FLAG0b7aa6b43 [2023-04-02 04:22:38,857 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56d2c11fa/e67b385c98254247abd7132d32c15829 [2023-04-02 04:22:38,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:38,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:38,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:38,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:38,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:38,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:38" (1/1) ... [2023-04-02 04:22:38,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65491b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:38, skipping insertion in model container [2023-04-02 04:22:38,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:38" (1/1) ... [2023-04-02 04:22:38,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:38,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:39,099 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_spec4_product12.cil.c[17234,17247] [2023-04-02 04:22:39,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:39,117 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:39,180 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_spec4_product12.cil.c[17234,17247] [2023-04-02 04:22:39,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:39,191 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:39,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39 WrapperNode [2023-04-02 04:22:39,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:39,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:39,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:39,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:39,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:39,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:39,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:39,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:39,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:39,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:39,293 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) [2023-04-02 04:22:39,308 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 [2023-04-02 04:22:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-02 04:22:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:39,425 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:39,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:39,894 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:39,901 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:39,901 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:39,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:39 BoogieIcfgContainer [2023-04-02 04:22:39,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:39,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:39,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:39,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:39,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:38" (1/3) ... [2023-04-02 04:22:39,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ce7255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:39, skipping insertion in model container [2023-04-02 04:22:39,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (2/3) ... [2023-04-02 04:22:39,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ce7255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:39, skipping insertion in model container [2023-04-02 04:22:39,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:39" (3/3) ... [2023-04-02 04:22:39,909 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2023-04-02 04:22:39,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:39,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:39,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:39,981 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=PETRI_NET, 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;@38af3d8c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:39,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 84 states have internal predecessors, (96), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-04-02 04:22:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:39,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:39,995 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] [2023-04-02 04:22:39,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:40,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:40,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1447262037, now seen corresponding path program 1 times [2023-04-02 04:22:40,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:40,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743885768] [2023-04-02 04:22:40,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:40,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:40,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:40,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743885768] [2023-04-02 04:22:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743885768] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:40,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:40,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:40,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596092029] [2023-04-02 04:22:40,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:40,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:40,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:40,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:40,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:40,339 INFO L87 Difference]: Start difference. First operand has 137 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 84 states have internal predecessors, (96), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:40,664 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2023-04-02 04:22:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:40,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:22:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:40,676 INFO L225 Difference]: With dead ends: 228 [2023-04-02 04:22:40,676 INFO L226 Difference]: Without dead ends: 125 [2023-04-02 04:22:40,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:40,683 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:40,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 23 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-02 04:22:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2023-04-02 04:22:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 62 states have internal predecessors, (67), 23 states have call successors, (23), 21 states have call predecessors, (23), 16 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-02 04:22:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2023-04-02 04:22:40,737 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2023-04-02 04:22:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:40,738 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2023-04-02 04:22:40,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-04-02 04:22:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:40,741 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:40,741 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] [2023-04-02 04:22:40,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:40,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:40,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:40,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1416529606, now seen corresponding path program 1 times [2023-04-02 04:22:40,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:40,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569931498] [2023-04-02 04:22:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:40,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:40,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569931498] [2023-04-02 04:22:40,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569931498] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:40,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:40,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:40,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089220004] [2023-04-02 04:22:40,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:40,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:40,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:40,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:40,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:40,860 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:41,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,069 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2023-04-02 04:22:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:41,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:22:41,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,071 INFO L225 Difference]: With dead ends: 148 [2023-04-02 04:22:41,071 INFO L226 Difference]: Without dead ends: 109 [2023-04-02 04:22:41,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:41,073 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 74 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 30 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:41,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-04-02 04:22:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2023-04-02 04:22:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.25) internal successors, (60), 56 states have internal predecessors, (60), 20 states have call successors, (20), 20 states have call predecessors, (20), 16 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-02 04:22:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2023-04-02 04:22:41,090 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2023-04-02 04:22:41,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,090 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2023-04-02 04:22:41,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-04-02 04:22:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:22:41,092 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,092 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] [2023-04-02 04:22:41,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:41,092 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,092 INFO L85 PathProgramCache]: Analyzing trace with hash 164466364, now seen corresponding path program 1 times [2023-04-02 04:22:41,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312761180] [2023-04-02 04:22:41,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:22:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:41,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312761180] [2023-04-02 04:22:41,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312761180] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:41,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:41,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:41,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371831289] [2023-04-02 04:22:41,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:41,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:41,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:41,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:41,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:41,266 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:41,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,724 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2023-04-02 04:22:41,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:22:41,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-04-02 04:22:41,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,726 INFO L225 Difference]: With dead ends: 302 [2023-04-02 04:22:41,726 INFO L226 Difference]: Without dead ends: 241 [2023-04-02 04:22:41,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:22:41,728 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 254 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 79 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-04-02 04:22:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2023-04-02 04:22:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 118 states have internal predecessors, (137), 35 states have call successors, (35), 35 states have call predecessors, (35), 31 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2023-04-02 04:22:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2023-04-02 04:22:41,753 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2023-04-02 04:22:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,753 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2023-04-02 04:22:41,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2023-04-02 04:22:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-02 04:22:41,755 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,755 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] [2023-04-02 04:22:41,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:41,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1673916251, now seen corresponding path program 1 times [2023-04-02 04:22:41,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582199891] [2023-04-02 04:22:41,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:22:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:22:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:41,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582199891] [2023-04-02 04:22:41,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582199891] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:41,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:41,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:22:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839975020] [2023-04-02 04:22:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:41,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:22:41,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:22:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:22:41,918 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:42,676 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2023-04-02 04:22:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:22:42,677 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2023-04-02 04:22:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:42,679 INFO L225 Difference]: With dead ends: 611 [2023-04-02 04:22:42,679 INFO L226 Difference]: Without dead ends: 463 [2023-04-02 04:22:42,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:22:42,681 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 197 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:42,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 125 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:42,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-04-02 04:22:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2023-04-02 04:22:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 270 states have (on average 1.2814814814814814) internal successors, (346), 307 states have internal predecessors, (346), 83 states have call successors, (83), 78 states have call predecessors, (83), 80 states have return successors, (103), 79 states have call predecessors, (103), 79 states have call successors, (103) [2023-04-02 04:22:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2023-04-02 04:22:42,733 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2023-04-02 04:22:42,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:42,733 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2023-04-02 04:22:42,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2023-04-02 04:22:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:22:42,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:42,735 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, 1] [2023-04-02 04:22:42,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:42,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:42,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1667715009, now seen corresponding path program 1 times [2023-04-02 04:22:42,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:42,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106230893] [2023-04-02 04:22:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:42,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:22:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:22:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:42,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:42,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106230893] [2023-04-02 04:22:42,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106230893] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:42,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:42,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:22:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953657092] [2023-04-02 04:22:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:42,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:22:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:22:42,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:42,811 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:42,981 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2023-04-02 04:22:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:22:42,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 59 [2023-04-02 04:22:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:42,983 INFO L225 Difference]: With dead ends: 796 [2023-04-02 04:22:42,983 INFO L226 Difference]: Without dead ends: 386 [2023-04-02 04:22:42,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:22:42,985 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 156 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:42,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 23 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-04-02 04:22:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2023-04-02 04:22:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 240 states have (on average 1.2375) internal successors, (297), 265 states have internal predecessors, (297), 66 states have call successors, (66), 66 states have call predecessors, (66), 65 states have return successors, (68), 62 states have call predecessors, (68), 62 states have call successors, (68) [2023-04-02 04:22:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2023-04-02 04:22:43,043 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2023-04-02 04:22:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:43,043 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2023-04-02 04:22:43,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2023-04-02 04:22:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:22:43,046 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:43,046 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:43,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:43,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:43,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1780305688, now seen corresponding path program 1 times [2023-04-02 04:22:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557304974] [2023-04-02 04:22:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:22:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:22:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:22:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:22:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 04:22:43,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:43,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557304974] [2023-04-02 04:22:43,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557304974] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299328458] [2023-04-02 04:22:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:43,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:43,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:43,207 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) [2023-04-02 04:22:43,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:22:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:43,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:43,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:22:43,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299328458] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:43,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:43,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2023-04-02 04:22:43,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588289286] [2023-04-02 04:22:43,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:43,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:22:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:43,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:22:43,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:22:43,775 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:44,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:44,384 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2023-04-02 04:22:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:22:44,384 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 89 [2023-04-02 04:22:44,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:44,385 INFO L225 Difference]: With dead ends: 525 [2023-04-02 04:22:44,385 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:44,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:22:44,388 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 293 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:44,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 136 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:44,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:44,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:22:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:44,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-04-02 04:22:44,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:44,391 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:44,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:44,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:44,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:44,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:22:44,602 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 [2023-04-02 04:22:44,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:46,193 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:46,193 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L600(line 600) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L599-2(lines 599 620) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 574 629) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L621(lines 598 622) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 574 629) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 574 629) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 630 689) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L662-1(lines 662 666) no Hoare annotation was computed. [2023-04-02 04:22:46,194 INFO L899 garLoopResultBuilder]: For program point L657(line 657) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point L656-2(lines 656 681) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point L682(lines 655 683) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 630 689) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 630 689) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point L675(line 675) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point L675-1(line 675) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 416 424) no Hoare annotation was computed. [2023-04-02 04:22:46,195 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 416 424) the Hoare annotation is: true [2023-04-02 04:22:46,196 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:46,196 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2023-04-02 04:22:46,196 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:46,196 INFO L899 garLoopResultBuilder]: For program point L148-1(line 148) no Hoare annotation was computed. [2023-04-02 04:22:46,196 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2023-04-02 04:22:46,196 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2023-04-02 04:22:46,196 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2023-04-02 04:22:46,196 INFO L902 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: true [2023-04-02 04:22:46,197 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2023-04-02 04:22:46,197 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 162) the Hoare annotation is: true [2023-04-02 04:22:46,197 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:46,197 INFO L895 garLoopResultBuilder]: At program point L510-1(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:46,197 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2023-04-02 04:22:46,197 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 515) no Hoare annotation was computed. [2023-04-02 04:22:46,197 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-02 04:22:46,198 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,198 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 498 520) no Hoare annotation was computed. [2023-04-02 04:22:46,198 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,198 INFO L895 garLoopResultBuilder]: At program point L504-1(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,198 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 498 520) no Hoare annotation was computed. [2023-04-02 04:22:46,198 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,198 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 457 480) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 457 480) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L475(line 475) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L469(line 469) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-02 04:22:46,199 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 457 480) no Hoare annotation was computed. [2023-04-02 04:22:46,200 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 364 378) no Hoare annotation was computed. [2023-04-02 04:22:46,211 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2023-04-02 04:22:46,211 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 378) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~systemActive~0)| ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-02 04:22:46,211 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 364 378) no Hoare annotation was computed. [2023-04-02 04:22:46,211 INFO L895 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:46,211 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2023-04-02 04:22:46,211 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2023-04-02 04:22:46,211 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 868) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 841 886) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 875) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point L855-1(lines 855 875) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 841 886) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 841 886) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 267 273) no Hoare annotation was computed. [2023-04-02 04:22:46,212 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 267 273) the Hoare annotation is: true [2023-04-02 04:22:46,212 INFO L895 garLoopResultBuilder]: At program point L225(lines 178 227) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,212 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,212 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 194) no Hoare annotation was computed. [2023-04-02 04:22:46,213 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2023-04-02 04:22:46,213 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 168 235) no Hoare annotation was computed. [2023-04-02 04:22:46,213 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2023-04-02 04:22:46,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,213 INFO L895 garLoopResultBuilder]: At program point L228(lines 177 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:46,213 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,213 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-04-02 04:22:46,213 INFO L895 garLoopResultBuilder]: At program point L216-1(lines 208 223) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,213 INFO L899 garLoopResultBuilder]: For program point L179(lines 178 227) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 223) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 204) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 168 235) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 119) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point L111-2(lines 111 119) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:46,214 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 103 125) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point L288-1(line 288) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 283 299) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 283 299) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 283 299) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 126 134) the Hoare annotation is: true [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 126 134) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 126 134) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 94 102) no Hoare annotation was computed. [2023-04-02 04:22:46,215 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2023-04-02 04:22:46,216 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-04-02 04:22:46,216 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or (and (= ~waterLevel~0 1) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:46,216 INFO L895 garLoopResultBuilder]: At program point L254(lines 254 260) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,216 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:46,216 INFO L899 garLoopResultBuilder]: For program point L247(lines 246 265) no Hoare annotation was computed. [2023-04-02 04:22:46,216 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 243 266) no Hoare annotation was computed. [2023-04-02 04:22:46,216 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 243 266) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,216 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 243 266) no Hoare annotation was computed. [2023-04-02 04:22:46,216 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 456) the Hoare annotation is: true [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 58 69) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 58 69) no Hoare annotation was computed. [2023-04-02 04:22:46,217 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 58 69) the Hoare annotation is: true [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 379 386) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 386) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1))) [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 379 386) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 888 895) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 888 895) the Hoare annotation is: true [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2023-04-02 04:22:46,218 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 888 895) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 274 281) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 274 281) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 274 281) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 319 327) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 319 327) the Hoare annotation is: true [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 355) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2023-04-02 04:22:46,219 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 343) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 328 363) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 328 363) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 528 573) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 528 573) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 528 573) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 488 497) no Hoare annotation was computed. [2023-04-02 04:22:46,220 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 488 497) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 488 497) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 308 318) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point L313-1(line 313) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 308 318) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 307) the Hoare annotation is: true [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 300 307) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 795 840) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 795 840) no Hoare annotation was computed. [2023-04-02 04:22:46,221 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 822) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 795 840) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 829) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 829) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 392 401) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 392 401) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 392 401) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L762(lines 740 763) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 737) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 788) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 692 794) no Hoare annotation was computed. [2023-04-02 04:22:46,222 INFO L899 garLoopResultBuilder]: For program point L742(lines 741 761) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 692 794) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L773(line 773) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 779) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L757(line 757) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 692 794) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 791) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 747) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point L741-2(lines 741 761) no Hoare annotation was computed. [2023-04-02 04:22:46,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 481 487) no Hoare annotation was computed. [2023-04-02 04:22:46,224 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 481 487) the Hoare annotation is: true [2023-04-02 04:22:46,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,230 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:22:46,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:46,230 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:46,235 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:46,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:46,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:46 BoogieIcfgContainer [2023-04-02 04:22:46,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:46,254 INFO L158 Benchmark]: Toolchain (without parser) took 7393.23ms. Allocated memory was 336.6MB in the beginning and 533.7MB in the end (delta: 197.1MB). Free memory was 297.5MB in the beginning and 189.7MB in the end (delta: 107.8MB). Peak memory consumption was 307.6MB. Max. memory is 8.0GB. [2023-04-02 04:22:46,254 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 170.0MB in the beginning and 169.8MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:46,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.52ms. Allocated memory is still 336.6MB. Free memory was 297.5MB in the beginning and 279.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:46,255 INFO L158 Benchmark]: Boogie Preprocessor took 59.59ms. Allocated memory is still 336.6MB. Free memory was 279.7MB in the beginning and 276.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:22:46,255 INFO L158 Benchmark]: RCFGBuilder took 649.68ms. Allocated memory is still 336.6MB. Free memory was 276.0MB in the beginning and 238.8MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-04-02 04:22:46,255 INFO L158 Benchmark]: TraceAbstraction took 6349.69ms. Allocated memory was 336.6MB in the beginning and 533.7MB in the end (delta: 197.1MB). Free memory was 238.3MB in the beginning and 189.7MB in the end (delta: 48.6MB). Peak memory consumption was 248.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:46,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 170.0MB in the beginning and 169.8MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 329.52ms. Allocated memory is still 336.6MB. Free memory was 297.5MB in the beginning and 279.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.59ms. Allocated memory is still 336.6MB. Free memory was 279.7MB in the beginning and 276.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 649.68ms. Allocated memory is still 336.6MB. Free memory was 276.0MB in the beginning and 238.8MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6349.69ms. Allocated memory was 336.6MB in the beginning and 533.7MB in the end (delta: 197.1MB). Free memory was 238.3MB in the beginning and 189.7MB in the end (delta: 48.6MB). Peak memory consumption was 248.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1076 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1038 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 568 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2548 IncrementalHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 568 mSolverCounterUnsat, 90 mSDtfsCounter, 2548 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 282 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=4, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 709 HoareAnnotationTreeSize, 462 FomulaSimplifications, 13702 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 3882 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 3 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:46,270 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...