/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:36,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:36,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:36,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:36,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:36,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:36,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:36,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:36,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:36,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:36,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:36,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:36,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:36,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:36,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:36,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:36,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:36,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:36,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:36,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:36,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:36,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:36,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:36,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:36,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:36,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:36,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:36,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:36,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:36,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:36,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:36,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:36,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:36,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:36,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:36,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:36,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:36,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:36,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:36,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:36,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:36,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:02:36,577 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:36,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:36,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:36,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:36,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:36,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:36,579 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:36,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:36,579 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:36,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:36,580 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:36,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:36,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:36,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:36,580 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:36,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:36,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:36,581 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:36,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:36,581 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:36,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:36,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:36,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:36,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:36,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:36,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:36,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:36,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:36,802 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:36,803 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:36,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2023-04-03 01:02:37,832 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:38,008 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:38,008 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2023-04-03 01:02:38,022 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4437feb34/9f94231510e647c28c1e226da9e8e62c/FLAG8980d5650 [2023-04-03 01:02:38,032 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4437feb34/9f94231510e647c28c1e226da9e8e62c [2023-04-03 01:02:38,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:38,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:38,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:38,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:38,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:38,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eec128d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38, skipping insertion in model container [2023-04-03 01:02:38,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:38,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:38,210 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_spec3_product45.cil.c[8617,8630] [2023-04-03 01:02:38,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:38,274 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:38,294 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_spec3_product45.cil.c[8617,8630] [2023-04-03 01:02:38,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:38,337 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:38,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38 WrapperNode [2023-04-03 01:02:38,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:38,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:38,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:38,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:38,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:38,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:38,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:38,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:38,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (1/1) ... [2023-04-03 01:02:38,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:38,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:02:38,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:02:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:38,600 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:38,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:39,038 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:39,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:39,172 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:39,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:39 BoogieIcfgContainer [2023-04-03 01:02:39,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:39,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:39,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:39,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:39,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:38" (1/3) ... [2023-04-03 01:02:39,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34472126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:39, skipping insertion in model container [2023-04-03 01:02:39,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:38" (2/3) ... [2023-04-03 01:02:39,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34472126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:39, skipping insertion in model container [2023-04-03 01:02:39,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:39" (3/3) ... [2023-04-03 01:02:39,183 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2023-04-03 01:02:39,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:39,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:39,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:39,244 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76053354, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:39,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 82 states have internal predecessors, (87), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-03 01:02:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:39,257 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:39,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:39,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:39,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:39,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1201333956, now seen corresponding path program 1 times [2023-04-03 01:02:39,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:39,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032149120] [2023-04-03 01:02:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:39,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:39,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:39,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032149120] [2023-04-03 01:02:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032149120] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:39,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:39,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062978680] [2023-04-03 01:02:39,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:39,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:39,486 INFO L87 Difference]: Start difference. First operand has 149 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 82 states have internal predecessors, (87), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:39,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:39,573 INFO L93 Difference]: Finished difference Result 231 states and 280 transitions. [2023-04-03 01:02:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:39,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:39,583 INFO L225 Difference]: With dead ends: 231 [2023-04-03 01:02:39,583 INFO L226 Difference]: Without dead ends: 116 [2023-04-03 01:02:39,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:39,588 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:39,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-04-03 01:02:39,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-04-03 01:02:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 70 states have internal predecessors, (73), 33 states have call successors, (33), 27 states have call predecessors, (33), 22 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-04-03 01:02:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2023-04-03 01:02:39,641 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 47 [2023-04-03 01:02:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:39,642 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2023-04-03 01:02:39,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2023-04-03 01:02:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:39,647 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:39,647 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] [2023-04-03 01:02:39,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:39,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:39,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:39,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2071615248, now seen corresponding path program 1 times [2023-04-03 01:02:39,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226880508] [2023-04-03 01:02:39,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:39,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:39,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:39,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226880508] [2023-04-03 01:02:39,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226880508] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:39,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:39,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:39,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670589620] [2023-04-03 01:02:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:39,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:39,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:39,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:39,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:39,787 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:39,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:39,854 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2023-04-03 01:02:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:39,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:39,857 INFO L225 Difference]: With dead ends: 189 [2023-04-03 01:02:39,857 INFO L226 Difference]: Without dead ends: 108 [2023-04-03 01:02:39,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:39,859 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 7 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:39,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 206 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:39,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-04-03 01:02:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-04-03 01:02:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 65 states have internal predecessors, (67), 30 states have call successors, (30), 26 states have call predecessors, (30), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-03 01:02:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2023-04-03 01:02:39,872 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 48 [2023-04-03 01:02:39,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:39,872 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2023-04-03 01:02:39,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2023-04-03 01:02:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:02:39,874 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:39,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:39,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:39,874 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:39,874 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2123977146, now seen corresponding path program 1 times [2023-04-03 01:02:39,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:39,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877591080] [2023-04-03 01:02:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:39,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:39,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877591080] [2023-04-03 01:02:39,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877591080] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:39,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:39,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:39,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167976788] [2023-04-03 01:02:39,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:39,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:39,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:39,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:39,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:39,951 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:02:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:39,985 INFO L93 Difference]: Finished difference Result 194 states and 225 transitions. [2023-04-03 01:02:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:39,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 50 [2023-04-03 01:02:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:39,987 INFO L225 Difference]: With dead ends: 194 [2023-04-03 01:02:39,987 INFO L226 Difference]: Without dead ends: 108 [2023-04-03 01:02:39,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:39,988 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 100 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:39,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 107 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-04-03 01:02:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-04-03 01:02:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 55 states have (on average 1.2) internal successors, (66), 64 states have internal predecessors, (66), 30 states have call successors, (30), 26 states have call predecessors, (30), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-03 01:02:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2023-04-03 01:02:40,000 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 50 [2023-04-03 01:02:40,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:40,000 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2023-04-03 01:02:40,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:02:40,000 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-04-03 01:02:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-03 01:02:40,002 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:40,002 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] [2023-04-03 01:02:40,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:40,002 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:40,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1285656108, now seen corresponding path program 1 times [2023-04-03 01:02:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:40,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10102039] [2023-04-03 01:02:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:40,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:40,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10102039] [2023-04-03 01:02:40,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10102039] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:40,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:40,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695248007] [2023-04-03 01:02:40,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:40,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:40,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:40,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:40,155 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:40,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:40,500 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2023-04-03 01:02:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:40,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-03 01:02:40,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:40,511 INFO L225 Difference]: With dead ends: 292 [2023-04-03 01:02:40,511 INFO L226 Difference]: Without dead ends: 206 [2023-04-03 01:02:40,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:02:40,517 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 155 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:40,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 144 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-04-03 01:02:40,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 191. [2023-04-03 01:02:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 111 states have internal predecessors, (120), 44 states have call successors, (44), 41 states have call predecessors, (44), 43 states have return successors, (48), 43 states have call predecessors, (48), 40 states have call successors, (48) [2023-04-03 01:02:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2023-04-03 01:02:40,549 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 63 [2023-04-03 01:02:40,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:40,550 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2023-04-03 01:02:40,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2023-04-03 01:02:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:02:40,551 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:40,551 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] [2023-04-03 01:02:40,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:40,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:40,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:40,552 INFO L85 PathProgramCache]: Analyzing trace with hash -958111293, now seen corresponding path program 1 times [2023-04-03 01:02:40,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:40,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996841186] [2023-04-03 01:02:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:40,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996841186] [2023-04-03 01:02:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996841186] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:40,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359232776] [2023-04-03 01:02:40,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:40,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:40,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:40,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:40,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:40,750 INFO L87 Difference]: Start difference. First operand 191 states and 212 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:40,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:40,881 INFO L93 Difference]: Finished difference Result 467 states and 534 transitions. [2023-04-03 01:02:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:40,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-03 01:02:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:40,887 INFO L225 Difference]: With dead ends: 467 [2023-04-03 01:02:40,887 INFO L226 Difference]: Without dead ends: 298 [2023-04-03 01:02:40,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:02:40,894 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 67 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:40,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 469 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-04-03 01:02:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 288. [2023-04-03 01:02:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 160 states have (on average 1.1625) internal successors, (186), 171 states have internal predecessors, (186), 63 states have call successors, (63), 59 states have call predecessors, (63), 64 states have return successors, (74), 64 states have call predecessors, (74), 59 states have call successors, (74) [2023-04-03 01:02:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 323 transitions. [2023-04-03 01:02:40,943 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 323 transitions. Word has length 72 [2023-04-03 01:02:40,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:40,944 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 323 transitions. [2023-04-03 01:02:40,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 323 transitions. [2023-04-03 01:02:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-03 01:02:40,949 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:40,949 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] [2023-04-03 01:02:40,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:40,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:40,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1441038535, now seen corresponding path program 1 times [2023-04-03 01:02:40,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668982587] [2023-04-03 01:02:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:41,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:41,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668982587] [2023-04-03 01:02:41,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668982587] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:41,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:41,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:41,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136714256] [2023-04-03 01:02:41,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:41,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:41,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:41,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:41,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:41,246 INFO L87 Difference]: Start difference. First operand 288 states and 323 transitions. Second operand has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:41,462 INFO L93 Difference]: Finished difference Result 571 states and 659 transitions. [2023-04-03 01:02:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:41,463 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 75 [2023-04-03 01:02:41,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:41,467 INFO L225 Difference]: With dead ends: 571 [2023-04-03 01:02:41,467 INFO L226 Difference]: Without dead ends: 402 [2023-04-03 01:02:41,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:41,469 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 129 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:41,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1084 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-04-03 01:02:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 382. [2023-04-03 01:02:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 216 states have (on average 1.162037037037037) internal successors, (251), 229 states have internal predecessors, (251), 81 states have call successors, (81), 76 states have call predecessors, (81), 84 states have return successors, (103), 85 states have call predecessors, (103), 77 states have call successors, (103) [2023-04-03 01:02:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 435 transitions. [2023-04-03 01:02:41,507 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 435 transitions. Word has length 75 [2023-04-03 01:02:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:41,507 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 435 transitions. [2023-04-03 01:02:41,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 435 transitions. [2023-04-03 01:02:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-03 01:02:41,514 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:41,514 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:41,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:41,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2116184123, now seen corresponding path program 1 times [2023-04-03 01:02:41,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:41,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422276147] [2023-04-03 01:02:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:02:41,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422276147] [2023-04-03 01:02:41,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422276147] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:41,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:41,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:41,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873322099] [2023-04-03 01:02:41,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:41,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:41,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:41,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:41,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:41,668 INFO L87 Difference]: Start difference. First operand 382 states and 435 transitions. Second operand has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:02:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:41,930 INFO L93 Difference]: Finished difference Result 908 states and 1076 transitions. [2023-04-03 01:02:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:41,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 85 [2023-04-03 01:02:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:41,934 INFO L225 Difference]: With dead ends: 908 [2023-04-03 01:02:41,934 INFO L226 Difference]: Without dead ends: 548 [2023-04-03 01:02:41,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:02:41,935 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 53 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:41,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1167 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2023-04-03 01:02:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 528. [2023-04-03 01:02:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 306 states have (on average 1.1437908496732025) internal successors, (350), 319 states have internal predecessors, (350), 113 states have call successors, (113), 106 states have call predecessors, (113), 108 states have return successors, (146), 112 states have call predecessors, (146), 109 states have call successors, (146) [2023-04-03 01:02:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 609 transitions. [2023-04-03 01:02:41,974 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 609 transitions. Word has length 85 [2023-04-03 01:02:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:41,974 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 609 transitions. [2023-04-03 01:02:41,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:02:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 609 transitions. [2023-04-03 01:02:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-03 01:02:41,975 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:41,975 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:41,976 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:41,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:41,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1767095018, now seen corresponding path program 1 times [2023-04-03 01:02:41,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:41,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907633053] [2023-04-03 01:02:41,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:41,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:02:42,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:42,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907633053] [2023-04-03 01:02:42,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907633053] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:42,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:42,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:42,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211043698] [2023-04-03 01:02:42,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:42,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:42,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:42,080 INFO L87 Difference]: Start difference. First operand 528 states and 609 transitions. Second operand has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:42,271 INFO L93 Difference]: Finished difference Result 1040 states and 1202 transitions. [2023-04-03 01:02:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2023-04-03 01:02:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:42,274 INFO L225 Difference]: With dead ends: 1040 [2023-04-03 01:02:42,274 INFO L226 Difference]: Without dead ends: 534 [2023-04-03 01:02:42,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:42,276 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 99 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:42,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1066 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-04-03 01:02:42,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 506. [2023-04-03 01:02:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 290 states have (on average 1.1206896551724137) internal successors, (325), 303 states have internal predecessors, (325), 109 states have call successors, (109), 102 states have call predecessors, (109), 106 states have return successors, (131), 108 states have call predecessors, (131), 105 states have call successors, (131) [2023-04-03 01:02:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 565 transitions. [2023-04-03 01:02:42,315 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 565 transitions. Word has length 88 [2023-04-03 01:02:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:42,315 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 565 transitions. [2023-04-03 01:02:42,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 565 transitions. [2023-04-03 01:02:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 01:02:42,319 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:42,320 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 01:02:42,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:02:42,320 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:42,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash 168963918, now seen corresponding path program 1 times [2023-04-03 01:02:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:42,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493855186] [2023-04-03 01:02:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 01:02:42,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493855186] [2023-04-03 01:02:42,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493855186] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694230486] [2023-04-03 01:02:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:42,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:42,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:02:42,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:02:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:42,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:42,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 01:02:42,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 01:02:43,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694230486] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:43,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:43,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11, 9] total 25 [2023-04-03 01:02:43,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518841637] [2023-04-03 01:02:43,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:43,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:43,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:43,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:43,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-04-03 01:02:43,276 INFO L87 Difference]: Start difference. First operand 506 states and 565 transitions. Second operand has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-03 01:02:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:43,560 INFO L93 Difference]: Finished difference Result 1120 states and 1273 transitions. [2023-04-03 01:02:43,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:43,561 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 125 [2023-04-03 01:02:43,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:43,562 INFO L225 Difference]: With dead ends: 1120 [2023-04-03 01:02:43,562 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:43,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2023-04-03 01:02:43,566 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 262 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:43,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 407 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:43,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:43,566 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) [2023-04-03 01:02:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:43,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2023-04-03 01:02:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:43,567 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:43,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-03 01:02:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:43,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:43,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:43,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:02:43,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:43,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:46,202 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L672-2(lines 672 693) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L694(lines 671 695) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 647 702) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 647 702) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 682) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L729-2(lines 729 754) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 703 762) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L755(lines 728 756) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point L748-1(line 748) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 703 762) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 703 762) no Hoare annotation was computed. [2023-04-03 01:02:46,203 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 576 584) no Hoare annotation was computed. [2023-04-03 01:02:46,204 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 576 584) the Hoare annotation is: true [2023-04-03 01:02:46,204 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 265 287) no Hoare annotation was computed. [2023-04-03 01:02:46,204 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,204 INFO L895 garLoopResultBuilder]: At program point L277-1(line 277) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,204 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2023-04-03 01:02:46,204 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 275 282) no Hoare annotation was computed. [2023-04-03 01:02:46,204 INFO L899 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2023-04-03 01:02:46,204 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,204 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,205 INFO L895 garLoopResultBuilder]: At program point L271-1(line 271) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,205 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 265 287) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 243) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2023-04-03 01:02:46,205 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 562 568) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 562 568) the Hoare annotation is: true [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 914 959) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 914 959) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 185) the Hoare annotation is: true [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 172 185) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 352 376) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L895 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:46,206 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 352 376) no Hoare annotation was computed. [2023-04-03 01:02:46,206 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:46,206 INFO L895 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:46,206 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 352 376) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L895 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 318 324) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 318 324) the Hoare annotation is: true [2023-04-03 01:02:46,207 INFO L895 garLoopResultBuilder]: At program point L508(line 508) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:46,207 INFO L895 garLoopResultBuilder]: At program point L539(lines 496 541) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1) (and .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse3 .cse1))) [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 486 549) no Hoare annotation was computed. [2023-04-03 01:02:46,207 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 486 549) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,207 INFO L895 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:02:46,208 INFO L895 garLoopResultBuilder]: At program point L532-2(lines 526 537) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 486 549) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 140 162) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 140 162) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L895 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse2) (or .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2))) [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 385 401) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 385 401) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 385 401) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2023-04-03 01:02:46,208 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:46,208 INFO L899 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 163 171) the Hoare annotation is: true [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 163 171) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 466 484) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 484) the Hoare annotation is: true [2023-04-03 01:02:46,209 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 131 139) the Hoare annotation is: true [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 131 139) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (let ((.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))) (or .cse0 .cse1 (<= 2 |old(~waterLevel~0)|) .cse3) (or .cse0 .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-03 01:02:46,209 INFO L895 garLoopResultBuilder]: At program point L305(lines 305 311) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (< ~waterLevel~0 3)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (< ~systemActive~0 1)) (.cse5 (not .cse9)) (.cse7 (and .cse4 (<= 1 ~systemActive~0) .cse9 (not .cse8) .cse6)) (.cse1 (<= 3 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse0 .cse5 (<= 2 |old(~waterLevel~0)|) .cse2) (or .cse0 (and .cse6 .cse3) .cse5 .cse7 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse6)) (or .cse0 .cse5 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse5 .cse8 .cse7 .cse1)))) [2023-04-03 01:02:46,209 INFO L895 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 294 317) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L899 garLoopResultBuilder]: For program point L298(lines 297 316) no Hoare annotation was computed. [2023-04-03 01:02:46,209 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 294 317) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (<= 2 |old(~waterLevel~0)|)) (.cse5 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse3)) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (and .cse3 (= ~pumpRunning~0 1)) .cse2 .cse6) (or .cse0 .cse6 .cse4 .cse5))) [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 294 317) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 189 218) the Hoare annotation is: true [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 95 106) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 106) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 1)))) (and (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 2)) (or .cse0 (<= 3 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 3)))) [2023-04-03 01:02:46,210 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 107 118) no Hoare annotation was computed. [2023-04-03 01:02:46,210 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 107 118) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-03 01:02:46,210 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 586 593) the Hoare annotation is: true [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 586 593) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 569 575) the Hoare annotation is: true [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 569 575) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 326 350) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:46,211 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L895 garLoopResultBuilder]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 326 350) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2023-04-03 01:02:46,211 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 326 350) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 421 429) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 421 429) the Hoare annotation is: true [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point L460(line 460) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 430 465) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 430 465) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 601 646) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 601 646) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 252 261) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 261) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 252 261) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L902 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: true [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point L415-1(line 415) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 410 420) no Hoare annotation was computed. [2023-04-03 01:02:46,212 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 420) the Hoare annotation is: true [2023-04-03 01:02:46,212 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 402 409) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 402 409) the Hoare annotation is: (or (< ~systemActive~0 1) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 868 913) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 868 913) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 377 384) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 377 384) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 552 561) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 552 561) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L830-1(line 830) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L814-2(lines 814 834) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 867) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 765 867) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L835(lines 813 836) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 810) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 765 867) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L815(lines 814 834) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L846(line 846) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2023-04-03 01:02:46,213 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 852) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3))) [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 119 130) the Hoare annotation is: true [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 119 130) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L902 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: true [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 54 86) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse1 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1))) (or .cse0 .cse2 (= 2 ~waterLevel~0) .cse1) (or .cse0 .cse2 (= ~methaneLevelCritical~0 0) .cse1))) [2023-04-03 01:02:46,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 86) the Hoare annotation is: true [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= ~pumpRunning~0 1))) (or .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (or .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2))) [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 54 86) no Hoare annotation was computed. [2023-04-03 01:02:46,214 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:46,215 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-04-03 01:02:46,215 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2023-04-03 01:02:46,215 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2023-04-03 01:02:46,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:46,215 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:02:46,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:46,215 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:46,217 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:46,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:46,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:46 BoogieIcfgContainer [2023-04-03 01:02:46,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:46,229 INFO L158 Benchmark]: Toolchain (without parser) took 8193.50ms. Allocated memory was 216.0MB in the beginning and 478.2MB in the end (delta: 262.1MB). Free memory was 158.1MB in the beginning and 404.0MB in the end (delta: -245.9MB). Peak memory consumption was 259.0MB. Max. memory is 8.0GB. [2023-04-03 01:02:46,229 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:46,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.60ms. Allocated memory is still 216.0MB. Free memory was 157.8MB in the beginning and 139.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:46,229 INFO L158 Benchmark]: Boogie Preprocessor took 57.33ms. Allocated memory is still 216.0MB. Free memory was 139.4MB in the beginning and 135.8MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:02:46,229 INFO L158 Benchmark]: RCFGBuilder took 779.93ms. Allocated memory was 216.0MB in the beginning and 364.9MB in the end (delta: 148.9MB). Free memory was 135.8MB in the beginning and 279.2MB in the end (delta: -143.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:46,229 INFO L158 Benchmark]: TraceAbstraction took 7050.28ms. Allocated memory was 364.9MB in the beginning and 478.2MB in the end (delta: 113.2MB). Free memory was 278.7MB in the beginning and 404.0MB in the end (delta: -125.3MB). Peak memory consumption was 229.6MB. Max. memory is 8.0GB. [2023-04-03 01:02:46,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.60ms. Allocated memory is still 216.0MB. Free memory was 157.8MB in the beginning and 139.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.33ms. Allocated memory is still 216.0MB. Free memory was 139.4MB in the beginning and 135.8MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 779.93ms. Allocated memory was 216.0MB in the beginning and 364.9MB in the end (delta: 148.9MB). Free memory was 135.8MB in the beginning and 279.2MB in the end (delta: -143.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7050.28ms. Allocated memory was 364.9MB in the beginning and 478.2MB in the end (delta: 113.2MB). Free memory was 278.7MB in the beginning and 404.0MB in the end (delta: -125.3MB). Peak memory consumption was 229.6MB. 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: 590]: 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 40 procedures, 188 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 893 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 872 mSDsluCounter, 4778 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3736 mSDsCounter, 288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1687 IncrementalHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 288 mSolverCounterUnsat, 1042 mSDtfsCounter, 1687 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=7, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 93 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1356 PreInvPairs, 1431 NumberOfFragments, 1237 HoareAnnotationTreeSize, 1356 FomulaSimplifications, 1497 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11137 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 892 ConstructedInterpolants, 0 QuantifiedInterpolants, 1589 SizeOfPredicates, 6 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 97/109 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: 495]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || ((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= systemActive) && !(methaneLevelCritical == 0)) && waterLevel < 3)) || ((((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) && 1 <= systemActive) && waterLevel < 3) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:46,266 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...