/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:51,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:51,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:51,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:51,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:51,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:51,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:51,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:51,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:51,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:51,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:51,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:51,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:51,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:51,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:51,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:51,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:51,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:51,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:51,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:51,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:51,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:51,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:51,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:51,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:51,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:51,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:51,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:51,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:51,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:51,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:51,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:51,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:51,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:51,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:51,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:51,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:51,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:51,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:51,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:51,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:51,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:23:51,411 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:51,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:51,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:51,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:51,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:51,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:51,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:51,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:51,413 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:51,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:51,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:51,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:51,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:51,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:51,416 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:51,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:51,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:51,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:51,644 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:51,644 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:51,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2023-04-02 04:23:52,594 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:52,806 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:52,807 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2023-04-02 04:23:52,813 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f986c0274/b296677c5dba4b1eab2682695d732f43/FLAG8357cea33 [2023-04-02 04:23:52,823 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f986c0274/b296677c5dba4b1eab2682695d732f43 [2023-04-02 04:23:52,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:52,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:52,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:52,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:52,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:52,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:52" (1/1) ... [2023-04-02 04:23:52,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee6c78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:52, skipping insertion in model container [2023-04-02 04:23:52,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:52" (1/1) ... [2023-04-02 04:23:52,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:52,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:53,037 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_product50.cil.c[13010,13023] [2023-04-02 04:23:53,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:53,088 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:53,126 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_product50.cil.c[13010,13023] [2023-04-02 04:23:53,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:53,149 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:53,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53 WrapperNode [2023-04-02 04:23:53,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:53,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:53,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:53,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:53,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:53,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:53,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:53,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:53,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (1/1) ... [2023-04-02 04:23:53,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:53,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:53,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:23:53,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-02 04:23:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:23:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:53,288 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:23:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:53,438 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:53,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:53,889 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:53,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:53,899 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:53,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:53 BoogieIcfgContainer [2023-04-02 04:23:53,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:53,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:53,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:53,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:52" (1/3) ... [2023-04-02 04:23:53,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afe6716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:53, skipping insertion in model container [2023-04-02 04:23:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:53" (2/3) ... [2023-04-02 04:23:53,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afe6716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:53, skipping insertion in model container [2023-04-02 04:23:53,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:53" (3/3) ... [2023-04-02 04:23:53,906 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2023-04-02 04:23:53,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:53,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:53,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:53,980 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;@6f3ca503, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:53,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 110 states have internal predecessors, (126), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-02 04:23:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:53,994 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:53,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:53,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:54,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:54,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1529524439, now seen corresponding path program 1 times [2023-04-02 04:23:54,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:54,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580087267] [2023-04-02 04:23:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:54,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:54,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580087267] [2023-04-02 04:23:54,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580087267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:54,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:54,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144809066] [2023-04-02 04:23:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:54,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:54,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:54,361 INFO L87 Difference]: Start difference. First operand has 175 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 110 states have internal predecessors, (126), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:23:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:54,773 INFO L93 Difference]: Finished difference Result 306 states and 398 transitions. [2023-04-02 04:23:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:54,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:23:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:54,786 INFO L225 Difference]: With dead ends: 306 [2023-04-02 04:23:54,786 INFO L226 Difference]: Without dead ends: 165 [2023-04-02 04:23:54,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:54,793 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 96 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:54,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 22 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-04-02 04:23:54,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2023-04-02 04:23:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 88 states have internal predecessors, (97), 31 states have call successors, (31), 27 states have call predecessors, (31), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-02 04:23:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2023-04-02 04:23:54,850 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2023-04-02 04:23:54,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:54,851 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2023-04-02 04:23:54,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:23:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2023-04-02 04:23:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:54,855 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:54,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:54,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:54,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:54,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:54,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1393231565, now seen corresponding path program 1 times [2023-04-02 04:23:54,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147859638] [2023-04-02 04:23:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:55,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:55,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147859638] [2023-04-02 04:23:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147859638] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:55,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273798454] [2023-04-02 04:23:55,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:55,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:55,012 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:23:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:55,329 INFO L93 Difference]: Finished difference Result 235 states and 285 transitions. [2023-04-02 04:23:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:23:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:55,331 INFO L225 Difference]: With dead ends: 235 [2023-04-02 04:23:55,331 INFO L226 Difference]: Without dead ends: 149 [2023-04-02 04:23:55,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:23:55,333 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 106 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:55,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 30 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:55,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-04-02 04:23:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2023-04-02 04:23:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 72 states have (on average 1.25) internal successors, (90), 82 states have internal predecessors, (90), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-02 04:23:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2023-04-02 04:23:55,353 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2023-04-02 04:23:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:55,353 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2023-04-02 04:23:55,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:23:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2023-04-02 04:23:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:23:55,354 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:55,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:55,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:55,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:55,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:55,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2113572516, now seen corresponding path program 1 times [2023-04-02 04:23:55,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:55,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229350472] [2023-04-02 04:23:55,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:23:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:55,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:55,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229350472] [2023-04-02 04:23:55,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229350472] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:55,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:55,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:55,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517787765] [2023-04-02 04:23:55,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:55,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:55,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:55,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:55,519 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:55,927 INFO L93 Difference]: Finished difference Result 248 states and 303 transitions. [2023-04-02 04:23:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-04-02 04:23:55,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:55,932 INFO L225 Difference]: With dead ends: 248 [2023-04-02 04:23:55,932 INFO L226 Difference]: Without dead ends: 149 [2023-04-02 04:23:55,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:55,938 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 279 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:55,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 36 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-04-02 04:23:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2023-04-02 04:23:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 81 states have internal predecessors, (89), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-02 04:23:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2023-04-02 04:23:55,966 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2023-04-02 04:23:55,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:55,967 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2023-04-02 04:23:55,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2023-04-02 04:23:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-02 04:23:55,971 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:55,971 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, 1, 1, 1, 1] [2023-04-02 04:23:55,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:55,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:55,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -134083671, now seen corresponding path program 1 times [2023-04-02 04:23:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378533706] [2023-04-02 04:23:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:23:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:23:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 04:23:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:56,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:56,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378533706] [2023-04-02 04:23:56,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378533706] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:56,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:56,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:56,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74571065] [2023-04-02 04:23:56,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:56,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:56,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:56,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:56,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:56,121 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:56,554 INFO L93 Difference]: Finished difference Result 345 states and 425 transitions. [2023-04-02 04:23:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:23:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 65 [2023-04-02 04:23:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:56,557 INFO L225 Difference]: With dead ends: 345 [2023-04-02 04:23:56,557 INFO L226 Difference]: Without dead ends: 246 [2023-04-02 04:23:56,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:23:56,566 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 234 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:56,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 84 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:56,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-04-02 04:23:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 203. [2023-04-02 04:23:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 122 states have (on average 1.2049180327868851) internal successors, (147), 131 states have internal predecessors, (147), 40 states have call successors, (40), 39 states have call predecessors, (40), 40 states have return successors, (43), 39 states have call predecessors, (43), 36 states have call successors, (43) [2023-04-02 04:23:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2023-04-02 04:23:56,616 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2023-04-02 04:23:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:56,616 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2023-04-02 04:23:56,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2023-04-02 04:23:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-04-02 04:23:56,618 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:56,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:56,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:56,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:56,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:56,619 INFO L85 PathProgramCache]: Analyzing trace with hash -894863604, now seen corresponding path program 1 times [2023-04-02 04:23:56,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:56,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412082045] [2023-04-02 04:23:56,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:56,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:23:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:23:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 04:23:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 04:23:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:56,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:56,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412082045] [2023-04-02 04:23:56,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412082045] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:56,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:56,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:56,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304068894] [2023-04-02 04:23:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:56,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:56,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:56,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:56,866 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 04:23:57,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:57,948 INFO L93 Difference]: Finished difference Result 713 states and 919 transitions. [2023-04-02 04:23:57,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 79 [2023-04-02 04:23:57,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:57,952 INFO L225 Difference]: With dead ends: 713 [2023-04-02 04:23:57,952 INFO L226 Difference]: Without dead ends: 534 [2023-04-02 04:23:57,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:23:57,953 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 500 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:57,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 125 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:23:57,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-04-02 04:23:58,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 472. [2023-04-02 04:23:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 290 states have (on average 1.1896551724137931) internal successors, (345), 314 states have internal predecessors, (345), 87 states have call successors, (87), 83 states have call predecessors, (87), 94 states have return successors, (121), 91 states have call predecessors, (121), 83 states have call successors, (121) [2023-04-02 04:23:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 553 transitions. [2023-04-02 04:23:58,020 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 553 transitions. Word has length 79 [2023-04-02 04:23:58,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:58,021 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 553 transitions. [2023-04-02 04:23:58,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 04:23:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 553 transitions. [2023-04-02 04:23:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 04:23:58,022 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:58,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:58,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:58,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:58,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash 409089010, now seen corresponding path program 1 times [2023-04-02 04:23:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:58,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369414172] [2023-04-02 04:23:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:23:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:23:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 04:23:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 04:23:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:23:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:23:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:23:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:23:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-02 04:23:58,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:58,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369414172] [2023-04-02 04:23:58,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369414172] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679152905] [2023-04-02 04:23:58,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:58,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:58,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:58,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:23:58,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:23:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:58,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-02 04:23:58,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:58,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:23:58,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679152905] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:58,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:23:58,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-04-02 04:23:58,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669706775] [2023-04-02 04:23:58,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:58,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:58,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:23:58,574 INFO L87 Difference]: Start difference. First operand 472 states and 553 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) [2023-04-02 04:23:59,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:59,129 INFO L93 Difference]: Finished difference Result 1222 states and 1582 transitions. [2023-04-02 04:23:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 04:23:59,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) Word has length 138 [2023-04-02 04:23:59,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:59,135 INFO L225 Difference]: With dead ends: 1222 [2023-04-02 04:23:59,135 INFO L226 Difference]: Without dead ends: 882 [2023-04-02 04:23:59,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-04-02 04:23:59,138 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 727 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:59,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 221 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:59,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2023-04-02 04:23:59,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 801. [2023-04-02 04:23:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 504 states have (on average 1.2103174603174602) internal successors, (610), 540 states have internal predecessors, (610), 151 states have call successors, (151), 147 states have call predecessors, (151), 145 states have return successors, (217), 142 states have call predecessors, (217), 147 states have call successors, (217) [2023-04-02 04:23:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 978 transitions. [2023-04-02 04:23:59,222 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 978 transitions. Word has length 138 [2023-04-02 04:23:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:59,223 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 978 transitions. [2023-04-02 04:23:59,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) [2023-04-02 04:23:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 978 transitions. [2023-04-02 04:23:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-02 04:23:59,224 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:59,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:59,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 04:23:59,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 04:23:59,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:59,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash -630233858, now seen corresponding path program 1 times [2023-04-02 04:23:59,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:59,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383100347] [2023-04-02 04:23:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:23:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:23:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 04:23:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:23:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:23:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 04:23:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 04:23:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:23:59,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:59,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383100347] [2023-04-02 04:23:59,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383100347] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:59,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682393302] [2023-04-02 04:23:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:59,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:23:59,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:23:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:59,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 04:23:59,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 04:23:59,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:23:59,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682393302] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:59,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:23:59,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-04-02 04:23:59,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453214086] [2023-04-02 04:23:59,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:59,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:59,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:59,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:59,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:23:59,800 INFO L87 Difference]: Start difference. First operand 801 states and 978 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:23:59,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:59,930 INFO L93 Difference]: Finished difference Result 822 states and 1001 transitions. [2023-04-02 04:23:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:23:59,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2023-04-02 04:23:59,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:59,934 INFO L225 Difference]: With dead ends: 822 [2023-04-02 04:23:59,934 INFO L226 Difference]: Without dead ends: 819 [2023-04-02 04:23:59,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:23:59,935 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 92 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:59,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 556 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:23:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2023-04-02 04:24:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 801. [2023-04-02 04:24:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 504 states have (on average 1.2023809523809523) internal successors, (606), 540 states have internal predecessors, (606), 151 states have call successors, (151), 147 states have call predecessors, (151), 145 states have return successors, (217), 142 states have call predecessors, (217), 147 states have call successors, (217) [2023-04-02 04:24:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 974 transitions. [2023-04-02 04:24:00,012 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 974 transitions. Word has length 130 [2023-04-02 04:24:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:00,013 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 974 transitions. [2023-04-02 04:24:00,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:24:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 974 transitions. [2023-04-02 04:24:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-02 04:24:00,017 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:00,018 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:00,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:00,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-02 04:24:00,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:00,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:00,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1733371348, now seen corresponding path program 1 times [2023-04-02 04:24:00,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:00,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371647756] [2023-04-02 04:24:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:24:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 04:24:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:24:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 04:24:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:24:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 04:24:00,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371647756] [2023-04-02 04:24:00,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371647756] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21575575] [2023-04-02 04:24:00,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:00,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:00,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:00,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 04:24:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 04:24:00,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:00,488 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 04:24:00,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:00,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21575575] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:00,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:00,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-04-02 04:24:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232985464] [2023-04-02 04:24:00,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:24:00,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:24:00,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:24:00,490 INFO L87 Difference]: Start difference. First operand 801 states and 974 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:24:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:00,560 INFO L93 Difference]: Finished difference Result 1598 states and 1984 transitions. [2023-04-02 04:24:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:24:00,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2023-04-02 04:24:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:00,563 INFO L225 Difference]: With dead ends: 1598 [2023-04-02 04:24:00,563 INFO L226 Difference]: Without dead ends: 821 [2023-04-02 04:24:00,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:24:00,565 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 4 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:00,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 683 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:24:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2023-04-02 04:24:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2023-04-02 04:24:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 520 states have (on average 1.1961538461538461) internal successors, (622), 556 states have internal predecessors, (622), 151 states have call successors, (151), 147 states have call predecessors, (151), 149 states have return successors, (225), 146 states have call predecessors, (225), 147 states have call successors, (225) [2023-04-02 04:24:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 998 transitions. [2023-04-02 04:24:00,650 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 998 transitions. Word has length 134 [2023-04-02 04:24:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:00,650 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 998 transitions. [2023-04-02 04:24:00,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:24:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 998 transitions. [2023-04-02 04:24:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-02 04:24:00,652 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:00,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:00,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:00,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:00,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:00,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:00,859 INFO L85 PathProgramCache]: Analyzing trace with hash 682465002, now seen corresponding path program 1 times [2023-04-02 04:24:00,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:00,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528169297] [2023-04-02 04:24:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:24:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 04:24:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:24:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 04:24:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:24:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 04:24:01,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:01,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528169297] [2023-04-02 04:24:01,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528169297] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:01,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943763502] [2023-04-02 04:24:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:01,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:01,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 04:24:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-02 04:24:01,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 04:24:01,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:01,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943763502] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:01,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:01,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2023-04-02 04:24:01,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002088944] [2023-04-02 04:24:01,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:01,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:24:01,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:01,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:24:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:24:01,224 INFO L87 Difference]: Start difference. First operand 821 states and 998 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:24:01,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:01,287 INFO L93 Difference]: Finished difference Result 1485 states and 1840 transitions. [2023-04-02 04:24:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:24:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2023-04-02 04:24:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:01,290 INFO L225 Difference]: With dead ends: 1485 [2023-04-02 04:24:01,290 INFO L226 Difference]: Without dead ends: 688 [2023-04-02 04:24:01,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:24:01,292 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 3 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:01,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 551 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:24:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-04-02 04:24:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2023-04-02 04:24:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 435 states have (on average 1.1839080459770115) internal successors, (515), 465 states have internal predecessors, (515), 131 states have call successors, (131), 127 states have call predecessors, (131), 121 states have return successors, (176), 120 states have call predecessors, (176), 127 states have call successors, (176) [2023-04-02 04:24:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 822 transitions. [2023-04-02 04:24:01,348 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 822 transitions. Word has length 134 [2023-04-02 04:24:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:01,349 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 822 transitions. [2023-04-02 04:24:01,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 04:24:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 822 transitions. [2023-04-02 04:24:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 04:24:01,350 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:01,350 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:01,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:01,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:01,556 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:01,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1458039747, now seen corresponding path program 1 times [2023-04-02 04:24:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:01,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855782403] [2023-04-02 04:24:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:01,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:24:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:24:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:24:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 04:24:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:24:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:24:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 04:24:01,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:01,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855782403] [2023-04-02 04:24:01,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855782403] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:01,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854800056] [2023-04-02 04:24:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:01,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:01,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:01,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:01,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 04:24:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:01,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 04:24:01,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:01,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:24:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 04:24:02,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854800056] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:24:02,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:24:02,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 17 [2023-04-02 04:24:02,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290805252] [2023-04-02 04:24:02,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:24:02,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:24:02,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:24:02,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:24:02,182 INFO L87 Difference]: Start difference. First operand 688 states and 822 transitions. Second operand has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (48), 10 states have call predecessors, (48), 9 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-02 04:24:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:03,234 INFO L93 Difference]: Finished difference Result 1388 states and 1754 transitions. [2023-04-02 04:24:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-02 04:24:03,235 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (48), 10 states have call predecessors, (48), 9 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) Word has length 138 [2023-04-02 04:24:03,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:03,238 INFO L225 Difference]: With dead ends: 1388 [2023-04-02 04:24:03,238 INFO L226 Difference]: Without dead ends: 787 [2023-04-02 04:24:03,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 317 SyntacticMatches, 10 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=397, Invalid=1009, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 04:24:03,240 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 549 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:03,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 242 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:24:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-04-02 04:24:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 670. [2023-04-02 04:24:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 423 states have (on average 1.1796690307328606) internal successors, (499), 453 states have internal predecessors, (499), 128 states have call successors, (128), 124 states have call predecessors, (128), 118 states have return successors, (173), 117 states have call predecessors, (173), 124 states have call successors, (173) [2023-04-02 04:24:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 800 transitions. [2023-04-02 04:24:03,323 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 800 transitions. Word has length 138 [2023-04-02 04:24:03,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:03,323 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 800 transitions. [2023-04-02 04:24:03,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.352941176470588) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (48), 10 states have call predecessors, (48), 9 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-02 04:24:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 800 transitions. [2023-04-02 04:24:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-02 04:24:03,325 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:03,325 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:03,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:03,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-02 04:24:03,531 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:03,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 211811681, now seen corresponding path program 2 times [2023-04-02 04:24:03,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:03,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39193311] [2023-04-02 04:24:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:24:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:24:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 04:24:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:24:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:24:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 04:24:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 04:24:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:24:03,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:03,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39193311] [2023-04-02 04:24:03,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39193311] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:03,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122340582] [2023-04-02 04:24:03,877 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-04-02 04:24:03,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:03,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:03,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:03,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 04:24:04,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-04-02 04:24:04,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-02 04:24:04,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 14 conjunts are in the unsatisfiable core [2023-04-02 04:24:04,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 04:24:04,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122340582] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:04,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-04-02 04:24:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772337973] [2023-04-02 04:24:04,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:04,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:24:04,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:04,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:24:04,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:24:04,150 INFO L87 Difference]: Start difference. First operand 670 states and 800 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 04:24:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:04,959 INFO L93 Difference]: Finished difference Result 1737 states and 2127 transitions. [2023-04-02 04:24:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:24:04,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 192 [2023-04-02 04:24:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:04,963 INFO L225 Difference]: With dead ends: 1737 [2023-04-02 04:24:04,963 INFO L226 Difference]: Without dead ends: 1152 [2023-04-02 04:24:04,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 247 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 04:24:04,965 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 254 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:04,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 385 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:24:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2023-04-02 04:24:05,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1034. [2023-04-02 04:24:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 657 states have (on average 1.1628614916286149) internal successors, (764), 698 states have internal predecessors, (764), 188 states have call successors, (188), 186 states have call predecessors, (188), 188 states have return successors, (251), 182 states have call predecessors, (251), 184 states have call successors, (251) [2023-04-02 04:24:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1203 transitions. [2023-04-02 04:24:05,041 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1203 transitions. Word has length 192 [2023-04-02 04:24:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:05,041 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1203 transitions. [2023-04-02 04:24:05,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 04:24:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1203 transitions. [2023-04-02 04:24:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-02 04:24:05,043 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:05,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:05,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:05,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:05,249 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:05,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:05,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1746763105, now seen corresponding path program 1 times [2023-04-02 04:24:05,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:05,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125841591] [2023-04-02 04:24:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:24:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:24:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 04:24:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:24:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:24:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 04:24:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 04:24:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-04-02 04:24:05,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:05,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125841591] [2023-04-02 04:24:05,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125841591] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:05,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059774576] [2023-04-02 04:24:05,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:05,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:05,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:05,459 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:05,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 04:24:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 04:24:05,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-02 04:24:05,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059774576] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2023-04-02 04:24:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031241416] [2023-04-02 04:24:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:05,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:24:05,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:05,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:24:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:24:05,597 INFO L87 Difference]: Start difference. First operand 1034 states and 1203 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:24:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:05,674 INFO L93 Difference]: Finished difference Result 1392 states and 1615 transitions. [2023-04-02 04:24:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:24:05,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192 [2023-04-02 04:24:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:05,676 INFO L225 Difference]: With dead ends: 1392 [2023-04-02 04:24:05,676 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:24:05,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:24:05,678 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 4 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:05,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 664 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:24:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:24:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:24:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:24:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:24:05,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2023-04-02 04:24:05,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:05,680 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:24:05,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:24:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:24:05,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:24:05,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:24:05,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:05,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:05,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-02 04:24:10,469 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2023-04-02 04:24:10,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 583 591) the Hoare annotation is: true [2023-04-02 04:24:10,470 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 419 443) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L895 garLoopResultBuilder]: At program point L429(line 429) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L429-1(line 429) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 419 443) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 419 443) the Hoare annotation is: true [2023-04-02 04:24:10,471 INFO L902 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: true [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L895 garLoopResultBuilder]: At program point L537(line 537) 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) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 525 547) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L895 garLoopResultBuilder]: At program point L537-1(line 537) 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) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 535 542) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-02 04:24:10,471 INFO L895 garLoopResultBuilder]: At program point L532(line 532) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,472 INFO L895 garLoopResultBuilder]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,472 INFO L895 garLoopResultBuilder]: At program point L531-1(line 531) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 525 547) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 547) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 480 503) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 480 503) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L496(line 496) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L493(line 493) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L490(line 490) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 480 503) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L487(line 487) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-02 04:24:10,472 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 881 899) the Hoare annotation is: true [2023-04-02 04:24:10,473 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L890-2(lines 890 894) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 881 899) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 881 899) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 396) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 677 690) the Hoare annotation is: true [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 687) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 677 690) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 677 690) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2023-04-02 04:24:10,473 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 765 789) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L784-1(lines 765 789) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 765 789) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6))))) [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L771-1(line 771) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 731 737) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 731 737) the Hoare annotation is: true [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 935) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 909 974) no Hoare annotation was computed. [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 909 974) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,474 INFO L895 garLoopResultBuilder]: At program point L967(lines 918 968) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:10,474 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 961) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L895 garLoopResultBuilder]: At program point L957-2(lines 949 962) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L920(lines 919 966) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L895 garLoopResultBuilder]: At program point L951(line 951) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 962) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L939-1(lines 939 945) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L895 garLoopResultBuilder]: At program point L964(lines 919 966) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-04-02 04:24:10,475 INFO L895 garLoopResultBuilder]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 909 974) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 691 699) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 691 699) the Hoare annotation is: true [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 691 699) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 661) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point L653-2(lines 653 661) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 645 667) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 645 667) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 645 667) no Hoare annotation was computed. [2023-04-02 04:24:10,475 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 790 797) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 790 797) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 797) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-04-02 04:24:10,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 668 676) the Hoare annotation is: true [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 668 676) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 668 676) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 862 880) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 862 880) the Hoare annotation is: true [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L902 garLoopResultBuilder]: At program point L869(line 869) the Hoare annotation is: true [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point L871-2(lines 871 875) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 862 880) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point L869-1(line 869) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L895 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0))) [2023-04-02 04:24:10,476 INFO L895 garLoopResultBuilder]: At program point L718(lines 718 724) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not .cse4)) (.cse1 (and (<= 2 ~waterLevel~0) .cse4 .cse3))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and .cse2 .cse3) .cse0 .cse1)))) [2023-04-02 04:24:10,476 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 707 730) no Hoare annotation was computed. [2023-04-02 04:24:10,476 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 707 730) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2023-04-02 04:24:10,476 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) .cse0))) [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L711(lines 710 729) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 707 730) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L902 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L902 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 447 476) the Hoare annotation is: true [2023-04-02 04:24:10,477 INFO L902 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2023-04-02 04:24:10,477 INFO L902 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 636 644) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 636 644) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 636 644) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 600 611) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 600 611) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2023-04-02 04:24:10,477 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 900 907) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0 .cse1))) [2023-04-02 04:24:10,477 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 900 907) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 739 763) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point L758(line 758) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point L758-1(lines 739 763) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point L753(line 753) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~5 0))) [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (<= 2 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0) .cse1 (< ~waterLevel~0 2)))) [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 739 763) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point L745-1(line 745) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 612 623) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 549 556) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 549 556) the Hoare annotation is: true [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 549 556) no Hoare annotation was computed. [2023-04-02 04:24:10,478 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 817 825) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 817 825) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 817 825) the Hoare annotation is: true [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 841) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 826 861) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 853) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 826 861) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 826 861) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 512 521) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 512 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 512 521) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 806 816) no Hoare annotation was computed. [2023-04-02 04:24:10,479 INFO L899 garLoopResultBuilder]: For program point L811-1(line 811) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 806 816) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 806 816) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 798 805) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 798 805) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 798 805) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 350) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L337-1(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 319) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-02 04:24:10,480 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 316) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 559 568) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 635) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0 .cse1))) [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 624 635) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 624 635) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 504 510) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 504 510) the Hoare annotation is: true [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,481 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:24:10,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:10,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:24:10,484 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:10,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:24:10,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:24:10 BoogieIcfgContainer [2023-04-02 04:24:10,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:24:10,495 INFO L158 Benchmark]: Toolchain (without parser) took 17669.17ms. Allocated memory was 295.7MB in the beginning and 721.4MB in the end (delta: 425.7MB). Free memory was 245.8MB in the beginning and 260.5MB in the end (delta: -14.7MB). Peak memory consumption was 425.8MB. Max. memory is 8.0GB. [2023-04-02 04:24:10,495 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:24:10,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.71ms. Allocated memory is still 295.7MB. Free memory was 245.8MB in the beginning and 226.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:24:10,495 INFO L158 Benchmark]: Boogie Preprocessor took 71.98ms. Allocated memory is still 295.7MB. Free memory was 226.9MB in the beginning and 223.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:24:10,495 INFO L158 Benchmark]: RCFGBuilder took 677.71ms. Allocated memory is still 295.7MB. Free memory was 223.8MB in the beginning and 184.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2023-04-02 04:24:10,495 INFO L158 Benchmark]: TraceAbstraction took 16591.97ms. Allocated memory was 295.7MB in the beginning and 721.4MB in the end (delta: 425.7MB). Free memory was 182.9MB in the beginning and 260.5MB in the end (delta: -77.6MB). Peak memory consumption was 362.9MB. Max. memory is 8.0GB. [2023-04-02 04:24:10,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 323.71ms. Allocated memory is still 295.7MB. Free memory was 245.8MB in the beginning and 226.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.98ms. Allocated memory is still 295.7MB. Free memory was 226.9MB in the beginning and 223.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 677.71ms. Allocated memory is still 295.7MB. Free memory was 223.8MB in the beginning and 184.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 16591.97ms. Allocated memory was 295.7MB in the beginning and 721.4MB in the end (delta: 425.7MB). Free memory was 182.9MB in the beginning and 260.5MB in the end (delta: -77.6MB). Peak memory consumption was 362.9MB. 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: 553]: 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 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2986 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2848 mSDsluCounter, 3599 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2809 mSDsCounter, 1456 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6450 IncrementalHoareTripleChecker+Invalid, 7906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1456 mSolverCounterUnsat, 790 mSDtfsCounter, 6450 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1815 GetRequests, 1615 SyntacticMatches, 17 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1034occurred in iteration=11, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2082 PreInvPairs, 2145 NumberOfFragments, 982 HoareAnnotationTreeSize, 2082 FomulaSimplifications, 92828 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 12420 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2405 NumberOfCodeBlocks, 2405 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2523 ConstructedInterpolants, 0 QuantifiedInterpolants, 4242 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3590 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 689/759 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: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:24:10,514 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...