/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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:06,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:06,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:06,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:06,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:06,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:06,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:06,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:06,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:06,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:06,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:06,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:06,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:06,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:06,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:06,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:06,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:06,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:06,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:06,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:06,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:06,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:06,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:06,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:06,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:06,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:06,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:06,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:06,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:06,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:06,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:06,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:06,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:06,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:06,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:06,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:06,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:06,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:06,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:06,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:06,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:06,199 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 04:22:06,218 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:06,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:06,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:06,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:06,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:06,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:06,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:06,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:06,220 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:06,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:06,220 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:06,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:06,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:06,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:06,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:06,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:06,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:06,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:06,223 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:06,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:06,223 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:06,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:06,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:06,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:06,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:06,454 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:06,454 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:06,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2023-04-02 04:22:07,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:07,957 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:07,958 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2023-04-02 04:22:07,972 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9e5e0d6/529eabbe122f47b3a92636cd3ff63dc0/FLAGc6b1d016e [2023-04-02 04:22:07,987 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9e5e0d6/529eabbe122f47b3a92636cd3ff63dc0 [2023-04-02 04:22:07,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:07,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:07,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:07,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:07,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:08,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:07" (1/1) ... [2023-04-02 04:22:08,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418a4734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08, skipping insertion in model container [2023-04-02 04:22:08,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:07" (1/1) ... [2023-04-02 04:22:08,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:08,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:08,183 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_product03.cil.c[1605,1618] [2023-04-02 04:22:08,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:08,308 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:08,326 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_product03.cil.c[1605,1618] [2023-04-02 04:22:08,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:08,400 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:08,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08 WrapperNode [2023-04-02 04:22:08,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:08,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:08,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:08,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:08,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:08,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:08,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:08,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:08,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (1/1) ... [2023-04-02 04:22:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:08,506 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 04:22:08,507 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 04:22:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:08,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:08,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:08,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:08,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:08,664 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:08,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:09,159 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:09,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:09,172 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:09 BoogieIcfgContainer [2023-04-02 04:22:09,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:09,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:09,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:09,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:09,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:07" (1/3) ... [2023-04-02 04:22:09,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293692ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:09, skipping insertion in model container [2023-04-02 04:22:09,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:08" (2/3) ... [2023-04-02 04:22:09,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293692ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:09, skipping insertion in model container [2023-04-02 04:22:09,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:09" (3/3) ... [2023-04-02 04:22:09,185 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2023-04-02 04:22:09,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:09,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:09,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:09,266 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;@392f073a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:09,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-02 04:22:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:09,276 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:09,276 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 04:22:09,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:09,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash -368933274, now seen corresponding path program 1 times [2023-04-02 04:22:09,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:09,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225823351] [2023-04-02 04:22:09,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:09,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:09,566 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 04:22:09,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:09,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225823351] [2023-04-02 04:22:09,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225823351] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:09,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:09,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:09,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840215908] [2023-04-02 04:22:09,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:09,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:09,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:09,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:09,632 INFO L87 Difference]: Start difference. First operand has 133 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) 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 04:22:10,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:10,075 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2023-04-02 04:22:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:10,079 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 04:22:10,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:10,089 INFO L225 Difference]: With dead ends: 219 [2023-04-02 04:22:10,089 INFO L226 Difference]: Without dead ends: 120 [2023-04-02 04:22:10,092 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 04:22:10,096 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:10,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 21 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:10,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-02 04:22:10,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2023-04-02 04:22:10,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.25) internal successors, (65), 59 states have internal predecessors, (65), 22 states have call successors, (22), 20 states have call predecessors, (22), 15 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 04:22:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2023-04-02 04:22:10,147 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2023-04-02 04:22:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:10,148 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2023-04-02 04:22:10,148 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 04:22:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2023-04-02 04:22:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:10,150 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:10,151 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 04:22:10,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:10,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:10,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:10,152 INFO L85 PathProgramCache]: Analyzing trace with hash -897752472, now seen corresponding path program 1 times [2023-04-02 04:22:10,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:10,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565643644] [2023-04-02 04:22:10,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,308 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 04:22:10,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565643644] [2023-04-02 04:22:10,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565643644] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:10,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:10,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:10,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137124834] [2023-04-02 04:22:10,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:10,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:10,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:10,313 INFO L87 Difference]: Start difference. First operand 90 states and 104 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 04:22:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:10,562 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2023-04-02 04:22:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:10,562 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 04:22:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:10,564 INFO L225 Difference]: With dead ends: 143 [2023-04-02 04:22:10,564 INFO L226 Difference]: Without dead ends: 104 [2023-04-02 04:22:10,565 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 04:22:10,566 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 74 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:10,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 27 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:10,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-04-02 04:22:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2023-04-02 04:22:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 53 states have internal predecessors, (58), 19 states have call successors, (19), 19 states have call predecessors, (19), 15 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-04-02 04:22:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2023-04-02 04:22:10,596 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2023-04-02 04:22:10,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:10,597 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2023-04-02 04:22:10,597 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 04:22:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2023-04-02 04:22:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:22:10,605 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:10,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:10,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:10,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:10,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1856855322, now seen corresponding path program 1 times [2023-04-02 04:22:10,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722655869] [2023-04-02 04:22:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:10,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:22:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:10,896 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 04:22:10,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722655869] [2023-04-02 04:22:10,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722655869] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:10,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:10,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:10,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825562977] [2023-04-02 04:22:10,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:10,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:10,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:10,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:10,910 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 04:22:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:11,495 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2023-04-02 04:22:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:22:11,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 51 [2023-04-02 04:22:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:11,498 INFO L225 Difference]: With dead ends: 287 [2023-04-02 04:22:11,498 INFO L226 Difference]: Without dead ends: 230 [2023-04-02 04:22:11,499 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 04:22:11,500 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 249 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:11,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 78 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:11,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-04-02 04:22:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2023-04-02 04:22:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 34 states have call successors, (34), 34 states have call predecessors, (34), 30 states have return successors, (31), 30 states have call predecessors, (31), 30 states have call successors, (31) [2023-04-02 04:22:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2023-04-02 04:22:11,579 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2023-04-02 04:22:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:11,580 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2023-04-02 04:22:11,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 04:22:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2023-04-02 04:22:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-02 04:22:11,581 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:11,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:11,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:11,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:11,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash 552365259, now seen corresponding path program 1 times [2023-04-02 04:22:11,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:11,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497408876] [2023-04-02 04:22:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:22:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:11,837 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 04:22:11,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:11,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497408876] [2023-04-02 04:22:11,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497408876] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:11,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:11,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:22:11,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283324504] [2023-04-02 04:22:11,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:11,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:22:11,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:11,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:22:11,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:22:11,840 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 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 04:22:12,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:12,627 INFO L93 Difference]: Finished difference Result 594 states and 779 transitions. [2023-04-02 04:22:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:22:12,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 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 54 [2023-04-02 04:22:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:12,635 INFO L225 Difference]: With dead ends: 594 [2023-04-02 04:22:12,636 INFO L226 Difference]: Without dead ends: 450 [2023-04-02 04:22:12,639 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 04:22:12,646 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 220 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:12,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 114 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:12,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2023-04-02 04:22:12,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 422. [2023-04-02 04:22:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 298 states have internal predecessors, (340), 80 states have call successors, (80), 75 states have call predecessors, (80), 77 states have return successors, (100), 76 states have call predecessors, (100), 76 states have call successors, (100) [2023-04-02 04:22:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2023-04-02 04:22:12,732 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 54 [2023-04-02 04:22:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:12,757 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2023-04-02 04:22:12,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 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 04:22:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2023-04-02 04:22:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-02 04:22:12,759 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:12,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:12,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:12,759 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:12,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2027399131, now seen corresponding path program 1 times [2023-04-02 04:22:12,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:12,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331911882] [2023-04-02 04:22:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 04:22:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:22:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:22:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:12,861 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 04:22:12,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:12,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331911882] [2023-04-02 04:22:12,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331911882] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:12,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:12,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:22:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739914427] [2023-04-02 04:22:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:12,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:22:12,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:22:12,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:12,864 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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 04:22:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:13,077 INFO L93 Difference]: Finished difference Result 736 states and 931 transitions. [2023-04-02 04:22:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:22:13,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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 58 [2023-04-02 04:22:13,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:13,080 INFO L225 Difference]: With dead ends: 736 [2023-04-02 04:22:13,080 INFO L226 Difference]: Without dead ends: 373 [2023-04-02 04:22:13,082 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 04:22:13,085 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 153 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:13,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 23 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-02 04:22:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2023-04-02 04:22:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 234 states have (on average 1.2435897435897436) internal successors, (291), 256 states have internal predecessors, (291), 63 states have call successors, (63), 63 states have call predecessors, (63), 62 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2023-04-02 04:22:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 419 transitions. [2023-04-02 04:22:13,151 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 419 transitions. Word has length 58 [2023-04-02 04:22:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:13,151 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 419 transitions. [2023-04-02 04:22:13,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 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 04:22:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 419 transitions. [2023-04-02 04:22:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:22:13,153 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:13,154 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, 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] [2023-04-02 04:22:13,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:13,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:13,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:13,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1411081334, now seen corresponding path program 1 times [2023-04-02 04:22:13,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:13,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293417149] [2023-04-02 04:22:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:22:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 04:22:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:22:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:22:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:22:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 04:22:13,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:13,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293417149] [2023-04-02 04:22:13,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293417149] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:13,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848975810] [2023-04-02 04:22:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:13,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:13,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:13,393 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 04:22:13,422 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 04:22:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:13,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:13,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 04:22:14,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848975810] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:14,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:14,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 16 [2023-04-02 04:22:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370458730] [2023-04-02 04:22:14,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:14,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:22:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:22:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:22:14,053 INFO L87 Difference]: Start difference. First operand 360 states and 419 transitions. Second operand has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:14,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:14,576 INFO L93 Difference]: Finished difference Result 480 states and 570 transitions. [2023-04-02 04:22:14,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:22:14,577 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) Word has length 88 [2023-04-02 04:22:14,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:14,578 INFO L225 Difference]: With dead ends: 480 [2023-04-02 04:22:14,578 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:14,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:22:14,581 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 314 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:14,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 108 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:14,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:14,582 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 04:22:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:14,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-04-02 04:22:14,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:14,582 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:14,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:14,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:14,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:14,593 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 04:22:14,792 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 04:22:14,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:16,519 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 111 166) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 146) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-02 04:22:16,520 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2023-04-02 04:22:16,521 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-02 04:22:16,522 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 453 461) no Hoare annotation was computed. [2023-04-02 04:22:16,522 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 453 461) no Hoare annotation was computed. [2023-04-02 04:22:16,522 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 453 461) the Hoare annotation is: true [2023-04-02 04:22:16,522 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:16,522 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2023-04-02 04:22:16,522 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:16,522 INFO L899 garLoopResultBuilder]: For program point L756-1(line 756) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 746 770) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 767) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L899 garLoopResultBuilder]: For program point L754-1(lines 746 770) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L902 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: true [2023-04-02 04:22:16,523 INFO L899 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 770) the Hoare annotation is: true [2023-04-02 04:22:16,523 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2023-04-02 04:22:16,523 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~5 1) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:16,523 INFO L895 garLoopResultBuilder]: At program point L856-1(line 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~5 1) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:16,524 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 861) no Hoare annotation was computed. [2023-04-02 04:22:16,524 INFO L899 garLoopResultBuilder]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2023-04-02 04:22:16,524 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2023-04-02 04:22:16,524 INFO L895 garLoopResultBuilder]: At program point L851(line 851) 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 04:22:16,524 INFO L895 garLoopResultBuilder]: At program point L850(line 850) 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 04:22:16,524 INFO L895 garLoopResultBuilder]: At program point L850-1(line 850) 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 04:22:16,524 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2023-04-02 04:22:16,524 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 844 866) 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 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L817(line 817) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L816(line 816) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L814(line 814) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L813(line 813) no Hoare annotation was computed. [2023-04-02 04:22:16,525 INFO L899 garLoopResultBuilder]: For program point L812(line 812) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 803 826) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 649 663) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L895 garLoopResultBuilder]: At program point L655(line 655) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2023-04-02 04:22:16,526 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 649 663) 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 04:22:16,526 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 649 663) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 439 445) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 439 445) the Hoare annotation is: true [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 378 423) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 405) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 412) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 392 412) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 570 576) no Hoare annotation was computed. [2023-04-02 04:22:16,527 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 570 576) the Hoare annotation is: true [2023-04-02 04:22:16,528 INFO L895 garLoopResultBuilder]: At program point L514-1(lines 508 521) 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 04:22:16,528 INFO L899 garLoopResultBuilder]: For program point L479(lines 478 525) no Hoare annotation was computed. [2023-04-02 04:22:16,528 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2023-04-02 04:22:16,528 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2023-04-02 04:22:16,528 INFO L895 garLoopResultBuilder]: At program point L500(line 500) 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 04:22:16,528 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2023-04-02 04:22:16,528 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2023-04-02 04:22:16,528 INFO L895 garLoopResultBuilder]: At program point L523(lines 478 525) 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 04:22:16,529 INFO L895 garLoopResultBuilder]: At program point L490(line 490) 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 04:22:16,529 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 468 533) 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 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2023-04-02 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2023-04-02 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2023-04-02 04:22:16,529 INFO L895 garLoopResultBuilder]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:16,529 INFO L895 garLoopResultBuilder]: At program point L516(line 516) 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 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2023-04-02 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 520) no Hoare annotation was computed. [2023-04-02 04:22:16,529 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 729) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 713 735) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 713 735) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 713 735) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 577 584) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 736 744) the Hoare annotation is: true [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 736 744) no Hoare annotation was computed. [2023-04-02 04:22:16,530 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 736 744) no Hoare annotation was computed. [2023-04-02 04:22:16,531 INFO L895 garLoopResultBuilder]: At program point L559(line 559) 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 04:22:16,531 INFO L895 garLoopResultBuilder]: At program point L557(lines 557 563) 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 04:22:16,531 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 546 569) no Hoare annotation was computed. [2023-04-02 04:22:16,531 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 569) 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 04:22:16,531 INFO L895 garLoopResultBuilder]: At program point L552(line 552) 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 04:22:16,531 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 546 569) no Hoare annotation was computed. [2023-04-02 04:22:16,531 INFO L899 garLoopResultBuilder]: For program point L550(lines 549 568) no Hoare annotation was computed. [2023-04-02 04:22:16,531 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2023-04-02 04:22:16,531 INFO L902 garLoopResultBuilder]: At program point L798(lines 773 802) the Hoare annotation is: true [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2023-04-02 04:22:16,532 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 802) the Hoare annotation is: true [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 704 712) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 704 712) no Hoare annotation was computed. [2023-04-02 04:22:16,532 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 704 712) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point L672-1(lines 668 679) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 668 679) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 668 679) the Hoare annotation is: true [2023-04-02 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 680 691) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point L684-1(lines 680 691) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 680 691) 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 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:22:16,533 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-02 04:22:16,533 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 446 452) the Hoare annotation is: true [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 446 452) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 604 612) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 604 612) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 604 612) the Hoare annotation is: true [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 640) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 613 648) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point L620(lines 620 628) no Hoare annotation was computed. [2023-04-02 04:22:16,534 INFO L899 garLoopResultBuilder]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 613 648) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point L643(line 643) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 613 648) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point L643-1(line 643) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 65 110) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 834 843) 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 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2023-04-02 04:22:16,535 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 593 603) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 593 603) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 593 603) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point L598-1(line 598) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 585 592) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 585 592) the Hoare annotation is: true [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 585 592) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 366) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point L346-1(lines 346 366) no Hoare annotation was computed. [2023-04-02 04:22:16,536 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 332 377) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-02 04:22:16,537 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 328) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 284) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 429 438) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 429 438) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 429 438) no Hoare annotation was computed. [2023-04-02 04:22:16,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,539 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 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 703) 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 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 692 703) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 692 703) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2023-04-02 04:22:16,539 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2023-04-02 04:22:16,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,540 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 04:22:16,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:16,540 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:16,543 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:16,545 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:16,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:16 BoogieIcfgContainer [2023-04-02 04:22:16,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:16,570 INFO L158 Benchmark]: Toolchain (without parser) took 8579.60ms. Allocated memory was 191.9MB in the beginning and 406.8MB in the end (delta: 215.0MB). Free memory was 145.4MB in the beginning and 377.1MB in the end (delta: -231.6MB). Peak memory consumption was 223.4MB. Max. memory is 8.0GB. [2023-04-02 04:22:16,571 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:16,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.36ms. Allocated memory is still 191.9MB. Free memory was 145.4MB in the beginning and 127.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:16,571 INFO L158 Benchmark]: Boogie Preprocessor took 71.58ms. Allocated memory is still 191.9MB. Free memory was 127.6MB in the beginning and 123.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-02 04:22:16,571 INFO L158 Benchmark]: RCFGBuilder took 700.10ms. Allocated memory is still 191.9MB. Free memory was 123.9MB in the beginning and 87.2MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-04-02 04:22:16,572 INFO L158 Benchmark]: TraceAbstraction took 7393.09ms. Allocated memory was 191.9MB in the beginning and 406.8MB in the end (delta: 215.0MB). Free memory was 86.2MB in the beginning and 377.1MB in the end (delta: -290.9MB). Peak memory consumption was 163.7MB. Max. memory is 8.0GB. [2023-04-02 04:22:16,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.36ms. Allocated memory is still 191.9MB. Free memory was 145.4MB in the beginning and 127.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.58ms. Allocated memory is still 191.9MB. Free memory was 127.6MB in the beginning and 123.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 700.10ms. Allocated memory is still 191.9MB. Free memory was 123.9MB in the beginning and 87.2MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7393.09ms. Allocated memory was 191.9MB in the beginning and 406.8MB in the end (delta: 215.0MB). Free memory was 86.2MB in the beginning and 377.1MB in the end (delta: -290.9MB). Peak memory consumption was 163.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1110 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1074 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 548 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2358 IncrementalHoareTripleChecker+Invalid, 2906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 548 mSolverCounterUnsat, 86 mSDtfsCounter, 2358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 280 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=4, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 420 PreInvPairs, 469 NumberOfFragments, 652 HoareAnnotationTreeSize, 420 FomulaSimplifications, 7314 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2928 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 1212 SizeOfPredicates, 3 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 72/78 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: 477]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 478]: 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) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:16,605 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...