/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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:09,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:09,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:09,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:09,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:09,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:09,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:09,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:09,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:09,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:09,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:09,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:09,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:09,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:09,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:09,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:09,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:09,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:09,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:09,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:09,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:09,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:09,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:09,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:09,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:09,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:09,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:09,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:09,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:09,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:09,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:09,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:09,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:09,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:09,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:09,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:09,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:09,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:09,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:09,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:09,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:09,114 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 [2023-03-31 01:15:09,149 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:09,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:09,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:09,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:09,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:09,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:09,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:09,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:09,152 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:09,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:09,153 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:09,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:09,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:09,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:09,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:09,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:09,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:09,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:09,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:09,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:09,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:09,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:09,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:09,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:09,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:09,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:09,157 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:09,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:09,157 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:09,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:09,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:09,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:09,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:09,405 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:09,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2023-03-31 01:15:10,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:10,777 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:10,777 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2023-03-31 01:15:10,786 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5869a310/0826a466921147458a06e382269abfe3/FLAG4c7a03cbf [2023-03-31 01:15:10,799 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5869a310/0826a466921147458a06e382269abfe3 [2023-03-31 01:15:10,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:10,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:10,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:10,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:10,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:10,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:10" (1/1) ... [2023-03-31 01:15:10,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e570d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:10, skipping insertion in model container [2023-03-31 01:15:10,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:10" (1/1) ... [2023-03-31 01:15:10,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:10,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:11,042 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_product16.cil.c[14184,14197] [2023-03-31 01:15:11,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:11,093 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:11,172 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_product16.cil.c[14184,14197] [2023-03-31 01:15:11,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:11,209 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:11,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11 WrapperNode [2023-03-31 01:15:11,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:11,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:11,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:11,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:11,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:11,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:11,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:11,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:11,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (1/1) ... [2023-03-31 01:15:11,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:11,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:11,326 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) [2023-03-31 01:15:11,332 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 [2023-03-31 01:15:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 01:15:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:11,519 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:11,522 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:12,148 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:12,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:12,156 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:12,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:12 BoogieIcfgContainer [2023-03-31 01:15:12,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:12,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:12,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:12,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:10" (1/3) ... [2023-03-31 01:15:12,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0d255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:12, skipping insertion in model container [2023-03-31 01:15:12,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:11" (2/3) ... [2023-03-31 01:15:12,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0d255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:12, skipping insertion in model container [2023-03-31 01:15:12,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:12" (3/3) ... [2023-03-31 01:15:12,166 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2023-03-31 01:15:12,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:12,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:12,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:12,235 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;@3f78c1d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:12,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 102 states have internal predecessors, (114), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2023-03-31 01:15:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:12,249 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:12,250 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] [2023-03-31 01:15:12,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:12,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:12,255 INFO L85 PathProgramCache]: Analyzing trace with hash -255528433, now seen corresponding path program 1 times [2023-03-31 01:15:12,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016497705] [2023-03-31 01:15:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:12,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:12,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:12,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016497705] [2023-03-31 01:15:12,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016497705] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:12,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:12,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:12,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873272082] [2023-03-31 01:15:12,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:12,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:12,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:12,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:12,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:12,601 INFO L87 Difference]: Start difference. First operand has 163 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 102 states have internal predecessors, (114), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) 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) [2023-03-31 01:15:13,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:13,114 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2023-03-31 01:15:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:13,117 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 [2023-03-31 01:15:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:13,129 INFO L225 Difference]: With dead ends: 266 [2023-03-31 01:15:13,130 INFO L226 Difference]: Without dead ends: 145 [2023-03-31 01:15:13,135 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 [2023-03-31 01:15:13,141 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 77 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:13,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 24 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-03-31 01:15:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2023-03-31 01:15:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 64 states have (on average 1.234375) internal successors, (79), 74 states have internal predecessors, (79), 28 states have call successors, (28), 24 states have call predecessors, (28), 19 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-03-31 01:15:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2023-03-31 01:15:13,209 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2023-03-31 01:15:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:13,209 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2023-03-31 01:15:13,210 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) [2023-03-31 01:15:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2023-03-31 01:15:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:13,212 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:13,212 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] [2023-03-31 01:15:13,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:13,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:13,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:13,213 INFO L85 PathProgramCache]: Analyzing trace with hash -341140768, now seen corresponding path program 1 times [2023-03-31 01:15:13,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:13,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514730814] [2023-03-31 01:15:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514730814] [2023-03-31 01:15:13,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514730814] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:13,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:13,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658276481] [2023-03-31 01:15:13,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:13,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:13,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:13,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:13,362 INFO L87 Difference]: Start difference. First operand 112 states and 130 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) [2023-03-31 01:15:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:13,701 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2023-03-31 01:15:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:13,702 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 [2023-03-31 01:15:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:13,704 INFO L225 Difference]: With dead ends: 189 [2023-03-31 01:15:13,704 INFO L226 Difference]: Without dead ends: 129 [2023-03-31 01:15:13,704 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 [2023-03-31 01:15:13,706 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 87 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:13,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 31 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-03-31 01:15:13,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2023-03-31 01:15:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 68 states have internal predecessors, (72), 25 states have call successors, (25), 23 states have call predecessors, (25), 19 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2023-03-31 01:15:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2023-03-31 01:15:13,731 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2023-03-31 01:15:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:13,732 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2023-03-31 01:15:13,732 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) [2023-03-31 01:15:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2023-03-31 01:15:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 01:15:13,734 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:13,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:13,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:13,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:13,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:13,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1362015529, now seen corresponding path program 1 times [2023-03-31 01:15:13,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:13,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357086997] [2023-03-31 01:15:13,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:15:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:14,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:14,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357086997] [2023-03-31 01:15:14,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357086997] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:14,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:14,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:14,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056642265] [2023-03-31 01:15:14,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:14,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:14,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:14,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:14,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:14,020 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:14,790 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2023-03-31 01:15:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:15:14,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-03-31 01:15:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:14,794 INFO L225 Difference]: With dead ends: 360 [2023-03-31 01:15:14,794 INFO L226 Difference]: Without dead ends: 281 [2023-03-31 01:15:14,795 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 [2023-03-31 01:15:14,796 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 248 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:14,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 105 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:15:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-03-31 01:15:14,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2023-03-31 01:15:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 131 states have (on average 1.2900763358778626) internal successors, (169), 150 states have internal predecessors, (169), 49 states have call successors, (49), 45 states have call predecessors, (49), 39 states have return successors, (46), 37 states have call predecessors, (46), 45 states have call successors, (46) [2023-03-31 01:15:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2023-03-31 01:15:14,844 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2023-03-31 01:15:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:14,845 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2023-03-31 01:15:14,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2023-03-31 01:15:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 01:15:14,847 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:14,847 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] [2023-03-31 01:15:14,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:14,847 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:14,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:14,848 INFO L85 PathProgramCache]: Analyzing trace with hash -254312281, now seen corresponding path program 1 times [2023-03-31 01:15:14,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:14,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360967889] [2023-03-31 01:15:14,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 01:15:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360967889] [2023-03-31 01:15:15,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360967889] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:15,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:15,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:15:15,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721320301] [2023-03-31 01:15:15,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:15,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:15:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:15,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:15:15,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:15,106 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:15:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:16,359 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2023-03-31 01:15:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:15:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 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 57 [2023-03-31 01:15:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:16,370 INFO L225 Difference]: With dead ends: 875 [2023-03-31 01:15:16,371 INFO L226 Difference]: Without dead ends: 679 [2023-03-31 01:15:16,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:16,382 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 368 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:16,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 130 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:15:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-03-31 01:15:16,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2023-03-31 01:15:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 350 states have (on average 1.2685714285714285) internal successors, (444), 405 states have internal predecessors, (444), 125 states have call successors, (125), 108 states have call predecessors, (125), 106 states have return successors, (149), 99 states have call predecessors, (149), 121 states have call successors, (149) [2023-03-31 01:15:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2023-03-31 01:15:16,495 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2023-03-31 01:15:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:16,496 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2023-03-31 01:15:16,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:15:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2023-03-31 01:15:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 01:15:16,499 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:16,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:16,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:15:16,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:16,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1147955987, now seen corresponding path program 1 times [2023-03-31 01:15:16,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:16,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360078452] [2023-03-31 01:15:16,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:16,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:15:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-03-31 01:15:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:15:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:16,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:16,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360078452] [2023-03-31 01:15:16,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360078452] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:16,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:16,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:15:16,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845299974] [2023-03-31 01:15:16,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:16,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:16,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:16,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:16,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:15:16,660 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:15:16,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:16,937 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2023-03-31 01:15:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:15:16,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 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 61 [2023-03-31 01:15:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:16,940 INFO L225 Difference]: With dead ends: 1027 [2023-03-31 01:15:16,940 INFO L226 Difference]: Without dead ends: 469 [2023-03-31 01:15:16,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:15:16,942 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 233 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:16,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 40 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 01:15:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-03-31 01:15:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2023-03-31 01:15:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 258 states have (on average 1.2209302325581395) internal successors, (315), 283 states have internal predecessors, (315), 72 states have call successors, (72), 72 states have call predecessors, (72), 71 states have return successors, (74), 68 states have call predecessors, (74), 68 states have call successors, (74) [2023-03-31 01:15:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2023-03-31 01:15:17,004 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2023-03-31 01:15:17,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:17,005 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2023-03-31 01:15:17,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:15:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2023-03-31 01:15:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-03-31 01:15:17,007 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:17,007 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:17,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:15:17,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:17,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:17,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1103731863, now seen corresponding path program 1 times [2023-03-31 01:15:17,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:17,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460207179] [2023-03-31 01:15:17,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-31 01:15:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:15:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-03-31 01:15:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-03-31 01:15:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:15:17,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460207179] [2023-03-31 01:15:17,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460207179] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340831912] [2023-03-31 01:15:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:17,229 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) [2023-03-31 01:15:17,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:15:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:17,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-31 01:15:17,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:15:17,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:15:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:15:17,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340831912] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:15:17,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:15:17,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-03-31 01:15:17,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129871824] [2023-03-31 01:15:17,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:15:17,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:15:17,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:17,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:15:17,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:15:17,917 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:15:18,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:18,608 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2023-03-31 01:15:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:15:18,608 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 89 [2023-03-31 01:15:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:18,610 INFO L225 Difference]: With dead ends: 565 [2023-03-31 01:15:18,610 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:15:18,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 194 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:18,612 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 468 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:18,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 160 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:15:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:15:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:15:18,614 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) [2023-03-31 01:15:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:15:18,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-03-31 01:15:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:18,614 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:15:18,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:15:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:15:18,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:15:18,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:15:18,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:18,829 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 [2023-03-31 01:15:18,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:15:22,046 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:15:22,046 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:15:22,046 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point L187(lines 164 188) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 140 195) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 175) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 140 195) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 140 195) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-03-31 01:15:22,047 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 186) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L222-2(lines 222 247) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L248(lines 221 249) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 196 255) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L241-1(line 241) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 196 255) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 196 255) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2023-03-31 01:15:22,048 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:22,049 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:22,049 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-03-31 01:15:22,049 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-03-31 01:15:22,049 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-03-31 01:15:22,049 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 827 851) no Hoare annotation was computed. [2023-03-31 01:15:22,049 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 851) the Hoare annotation is: true [2023-03-31 01:15:22,050 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-03-31 01:15:22,050 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 845) no Hoare annotation was computed. [2023-03-31 01:15:22,051 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-03-31 01:15:22,051 INFO L899 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2023-03-31 01:15:22,051 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 848) no Hoare annotation was computed. [2023-03-31 01:15:22,051 INFO L899 garLoopResultBuilder]: For program point L835-1(lines 827 851) no Hoare annotation was computed. [2023-03-31 01:15:22,051 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 615 637) no Hoare annotation was computed. [2023-03-31 01:15:22,052 INFO L895 garLoopResultBuilder]: At program point L627(line 627) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:15:22,052 INFO L895 garLoopResultBuilder]: At program point L627-1(line 627) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:15:22,053 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2023-03-31 01:15:22,053 INFO L899 garLoopResultBuilder]: For program point L625-1(lines 625 632) no Hoare annotation was computed. [2023-03-31 01:15:22,053 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-03-31 01:15:22,053 INFO L895 garLoopResultBuilder]: At program point L622(line 622) 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))) [2023-03-31 01:15:22,053 INFO L895 garLoopResultBuilder]: At program point L621(line 621) 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))) [2023-03-31 01:15:22,053 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 615 637) no Hoare annotation was computed. [2023-03-31 01:15:22,053 INFO L895 garLoopResultBuilder]: At program point L621-1(line 621) 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))) [2023-03-31 01:15:22,053 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 637) 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))) [2023-03-31 01:15:22,053 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 573 596) no Hoare annotation was computed. [2023-03-31 01:15:22,054 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 573 596) no Hoare annotation was computed. [2023-03-31 01:15:22,054 INFO L899 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2023-03-31 01:15:22,054 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-31 01:15:22,054 INFO L899 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2023-03-31 01:15:22,054 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2023-03-31 01:15:22,055 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-31 01:15:22,056 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2023-03-31 01:15:22,056 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 573 596) no Hoare annotation was computed. [2023-03-31 01:15:22,056 INFO L899 garLoopResultBuilder]: For program point L585(line 585) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L583(line 583) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L580(line 580) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 803 817) no Hoare annotation was computed. [2023-03-31 01:15:22,057 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 803 817) 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))) [2023-03-31 01:15:22,057 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0))) [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 803 817) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 407 452) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 434) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 407 452) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 407 452) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 441) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L899 garLoopResultBuilder]: For program point L421-1(lines 421 441) no Hoare annotation was computed. [2023-03-31 01:15:22,058 INFO L895 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:22,059 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L895 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 689 713) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-03-31 01:15:22,059 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2023-03-31 01:15:22,059 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 853 920) no Hoare annotation was computed. [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 920) 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))) [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point L903(line 903) 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)))) [2023-03-31 01:15:22,060 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point L901-1(lines 893 908) 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)))) [2023-03-31 01:15:22,060 INFO L899 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point L895(line 895) 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)))) [2023-03-31 01:15:22,060 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2023-03-31 01:15:22,060 INFO L895 garLoopResultBuilder]: At program point L885(line 885) 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)))) [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L895 garLoopResultBuilder]: At program point L910(lines 863 912) 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)))) [2023-03-31 01:15:22,061 INFO L895 garLoopResultBuilder]: At program point L875(line 875) 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)))) [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 853 920) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 507 529) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2023-03-31 01:15:22,061 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 523) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L733-1(lines 722 738) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 722 738) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 722 738) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point L727-1(line 727) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 538) the Hoare annotation is: true [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2023-03-31 01:15:22,062 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2023-03-31 01:15:22,063 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 506) the Hoare annotation is: true [2023-03-31 01:15:22,063 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2023-03-31 01:15:22,063 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2023-03-31 01:15:22,063 INFO L895 garLoopResultBuilder]: At program point L670(line 670) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (< |old(~waterLevel~0)| 2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2023-03-31 01:15:22,063 INFO L895 garLoopResultBuilder]: At program point L668(lines 668 674) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:22,063 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-03-31 01:15:22,063 INFO L899 garLoopResultBuilder]: For program point L661(lines 660 679) no Hoare annotation was computed. [2023-03-31 01:15:22,063 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 680) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:22,064 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 657 680) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 542 571) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L902 garLoopResultBuilder]: At program point L567(lines 542 571) the Hoare annotation is: true [2023-03-31 01:15:22,064 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L902 garLoopResultBuilder]: At program point L556-1(lines 556 560) the Hoare annotation is: true [2023-03-31 01:15:22,064 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 542 571) the Hoare annotation is: true [2023-03-31 01:15:22,064 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2023-03-31 01:15:22,064 INFO L902 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: true [2023-03-31 01:15:22,064 INFO L902 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: true [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 473) the Hoare annotation is: true [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 818 825) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 818 825) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1))) [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 818 825) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2023-03-31 01:15:22,065 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 485) 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)))) [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 639 646) the Hoare annotation is: true [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 681 687) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 681 687) the Hoare annotation is: true [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 714 721) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 714 721) no Hoare annotation was computed. [2023-03-31 01:15:22,066 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 714 721) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 758 766) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 758 766) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 766) the Hoare annotation is: true [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 794) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L786-2(lines 786 794) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 767 802) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 767 802) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 782) no Hoare annotation was computed. [2023-03-31 01:15:22,067 INFO L899 garLoopResultBuilder]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2023-03-31 01:15:22,068 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 767 802) no Hoare annotation was computed. [2023-03-31 01:15:22,068 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 94 139) no Hoare annotation was computed. [2023-03-31 01:15:22,068 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 94 139) no Hoare annotation was computed. [2023-03-31 01:15:22,070 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 94 139) no Hoare annotation was computed. [2023-03-31 01:15:22,070 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 605 614) no Hoare annotation was computed. [2023-03-31 01:15:22,070 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 605 614) 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))) [2023-03-31 01:15:22,070 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 605 614) no Hoare annotation was computed. [2023-03-31 01:15:22,070 INFO L902 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: true [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 747 757) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 747 757) the Hoare annotation is: true [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 747 757) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 739 746) the Hoare annotation is: true [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 388) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 395) no Hoare annotation was computed. [2023-03-31 01:15:22,071 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 361 406) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 361 406) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 361 406) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 303) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 354) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point L308(lines 307 327) no Hoare annotation was computed. [2023-03-31 01:15:22,072 INFO L899 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point L339-1(line 339) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 345) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 258 360) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 258 360) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point L323-1(line 323) no Hoare annotation was computed. [2023-03-31 01:15:22,073 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 357) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 313) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 258 360) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point L307-2(lines 307 327) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point L328(lines 306 329) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,074 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|)) [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,074 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,075 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 486 497) 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)))) [2023-03-31 01:15:22,075 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2023-03-31 01:15:22,075 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2023-03-31 01:15:22,075 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 597 603) no Hoare annotation was computed. [2023-03-31 01:15:22,075 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 597 603) the Hoare annotation is: true [2023-03-31 01:15:22,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,076 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:15:22,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:22,076 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:15:22,080 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 01:15:22,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:15:22,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:15:22 BoogieIcfgContainer [2023-03-31 01:15:22,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:15:22,095 INFO L158 Benchmark]: Toolchain (without parser) took 11290.23ms. Allocated memory was 192.9MB in the beginning and 335.5MB in the end (delta: 142.6MB). Free memory was 142.9MB in the beginning and 100.5MB in the end (delta: 42.3MB). Peak memory consumption was 188.4MB. Max. memory is 8.0GB. [2023-03-31 01:15:22,095 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 192.9MB. Free memory was 142.4MB in the beginning and 142.2MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:15:22,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.06ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 124.5MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 01:15:22,096 INFO L158 Benchmark]: Boogie Preprocessor took 78.87ms. Allocated memory is still 192.9MB. Free memory was 124.5MB in the beginning and 121.2MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:15:22,096 INFO L158 Benchmark]: RCFGBuilder took 868.31ms. Allocated memory was 192.9MB in the beginning and 231.7MB in the end (delta: 38.8MB). Free memory was 120.9MB in the beginning and 189.1MB in the end (delta: -68.2MB). Peak memory consumption was 36.4MB. Max. memory is 8.0GB. [2023-03-31 01:15:22,096 INFO L158 Benchmark]: TraceAbstraction took 9933.90ms. Allocated memory was 231.7MB in the beginning and 335.5MB in the end (delta: 103.8MB). Free memory was 188.5MB in the beginning and 100.5MB in the end (delta: 88.0MB). Peak memory consumption was 194.9MB. Max. memory is 8.0GB. [2023-03-31 01:15:22,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 192.9MB. Free memory was 142.4MB in the beginning and 142.2MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.06ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 124.5MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.87ms. Allocated memory is still 192.9MB. Free memory was 124.5MB in the beginning and 121.2MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 868.31ms. Allocated memory was 192.9MB in the beginning and 231.7MB in the end (delta: 38.8MB). Free memory was 120.9MB in the beginning and 189.1MB in the end (delta: -68.2MB). Peak memory consumption was 36.4MB. Max. memory is 8.0GB. * TraceAbstraction took 9933.90ms. Allocated memory was 231.7MB in the beginning and 335.5MB in the end (delta: 103.8MB). Free memory was 188.5MB in the beginning and 100.5MB in the end (delta: 88.0MB). Peak memory consumption was 194.9MB. 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: 643]: 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 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1536 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1481 mSDsluCounter, 490 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 889 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3170 IncrementalHoareTripleChecker+Invalid, 4059 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 889 mSolverCounterUnsat, 94 mSDtfsCounter, 3170 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 283 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, InterpolantAutomatonStates: 59, 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, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 837 HoareAnnotationTreeSize, 644 FomulaSimplifications, 30063 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5275 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1292 SizeOfPredicates, 3 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 863]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 01:15:22,130 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...