/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 [2023-04-01 05:57:36,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:57:36,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:57:36,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:57:36,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:57:36,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:57:36,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:57:36,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:57:36,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:57:36,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:57:36,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:57:36,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:57:36,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:57:36,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:57:36,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:57:36,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:57:36,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:57:36,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:57:36,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:57:36,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:57:36,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:57:36,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:57:36,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:57:36,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:57:36,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:57:36,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:57:36,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:57:36,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:57:36,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:57:36,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:57:36,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:57:36,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:57:36,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:57:36,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:57:36,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:57:36,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:57:36,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:57:36,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:57:36,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:57:36,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:57:36,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:57:36,508 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 [2023-04-01 05:57:36,531 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:57:36,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:57:36,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:57:36,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:57:36,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:57:36,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:57:36,532 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:57:36,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:57:36,532 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:57:36,532 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:57:36,533 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:57:36,533 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:57:36,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:57:36,534 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:57:36,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:57:36,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:57:36,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:57:36,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:57:36,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:57:36,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:57:36,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:57:36,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:57:36,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:57:36,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:57:36,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:57:36,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:57:36,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:57:36,784 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:57:36,785 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:57:36,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2023-04-01 05:57:37,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:57:38,196 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:57:38,196 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2023-04-01 05:57:38,206 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6809cff3/f83da9be800740f5b7df737dc3cc24c9/FLAGb25ce3971 [2023-04-01 05:57:38,218 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6809cff3/f83da9be800740f5b7df737dc3cc24c9 [2023-04-01 05:57:38,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:57:38,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:57:38,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:57:38,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:57:38,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:57:38,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dae96b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38, skipping insertion in model container [2023-04-01 05:57:38,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:57:38,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:57:38,442 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] [2023-04-01 05:57:38,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:57:38,496 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:57:38,522 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] [2023-04-01 05:57:38,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:57:38,592 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:57:38,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38 WrapperNode [2023-04-01 05:57:38,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:57:38,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:57:38,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:57:38,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:57:38,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:57:38,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:57:38,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:57:38,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:57:38,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (1/1) ... [2023-04-01 05:57:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:57:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:57:38,718 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) [2023-04-01 05:57:38,740 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 [2023-04-01 05:57:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:57:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:57:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:57:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:57:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:57:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:57:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-01 05:57:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:57:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:57:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:57:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:57:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:57:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:57:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:57:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:57:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:57:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:57:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:57:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:57:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:57:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:57:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:57:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:57:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:57:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:57:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-01 05:57:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:57:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:57:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:57:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:57:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 05:57:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:57:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:57:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:57:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:57:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:57:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:57:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:57:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:57:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:57:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-01 05:57:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:57:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:57:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:57:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:57:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:57:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:57:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:57:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:57:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:57:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:57:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:57:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:57:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:57:38,965 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:57:38,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:57:39,516 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:57:39,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:57:39,658 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:57:39,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:57:39 BoogieIcfgContainer [2023-04-01 05:57:39,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:57:39,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:57:39,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:57:39,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:57:39,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:57:38" (1/3) ... [2023-04-01 05:57:39,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35352c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:57:39, skipping insertion in model container [2023-04-01 05:57:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:38" (2/3) ... [2023-04-01 05:57:39,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35352c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:57:39, skipping insertion in model container [2023-04-01 05:57:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:57:39" (3/3) ... [2023-04-01 05:57:39,678 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2023-04-01 05:57:39,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:57:39,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:57:39,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:57:39,760 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;@15d53542, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:57:39,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:57:39,764 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) [2023-04-01 05:57:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 05:57:39,773 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:39,773 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] [2023-04-01 05:57:39,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:39,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1201333956, now seen corresponding path program 1 times [2023-04-01 05:57:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:39,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999760320] [2023-04-01 05:57:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:39,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:40,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:40,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999760320] [2023-04-01 05:57:40,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999760320] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:40,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:40,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:57:40,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957368714] [2023-04-01 05:57:40,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:40,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:57:40,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:40,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:57:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:57:40,093 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) [2023-04-01 05:57:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:40,203 INFO L93 Difference]: Finished difference Result 231 states and 280 transitions. [2023-04-01 05:57:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:57:40,206 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 [2023-04-01 05:57:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:40,218 INFO L225 Difference]: With dead ends: 231 [2023-04-01 05:57:40,218 INFO L226 Difference]: Without dead ends: 116 [2023-04-01 05:57:40,223 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 [2023-04-01 05:57:40,226 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, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:40,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:57:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-04-01 05:57:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-04-01 05:57:40,282 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) [2023-04-01 05:57:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2023-04-01 05:57:40,287 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 47 [2023-04-01 05:57:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:40,287 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2023-04-01 05:57:40,288 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) [2023-04-01 05:57:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2023-04-01 05:57:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-01 05:57:40,297 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:40,297 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] [2023-04-01 05:57:40,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:57:40,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:40,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:40,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2071615248, now seen corresponding path program 1 times [2023-04-01 05:57:40,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:40,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054812380] [2023-04-01 05:57:40,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:40,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:40,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054812380] [2023-04-01 05:57:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054812380] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:40,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:40,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:57:40,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211337831] [2023-04-01 05:57:40,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:40,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:57:40,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:40,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:57:40,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:40,468 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) [2023-04-01 05:57:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:40,516 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2023-04-01 05:57:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:57:40,517 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 [2023-04-01 05:57:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:40,518 INFO L225 Difference]: With dead ends: 189 [2023-04-01 05:57:40,518 INFO L226 Difference]: Without dead ends: 108 [2023-04-01 05:57:40,519 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 [2023-04-01 05:57:40,520 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 [2023-04-01 05:57:40,521 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] [2023-04-01 05:57:40,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-04-01 05:57:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-04-01 05:57:40,531 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) [2023-04-01 05:57:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2023-04-01 05:57:40,532 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 48 [2023-04-01 05:57:40,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:40,532 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2023-04-01 05:57:40,533 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) [2023-04-01 05:57:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2023-04-01 05:57:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 05:57:40,534 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:40,534 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] [2023-04-01 05:57:40,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:57:40,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:40,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:40,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2123977146, now seen corresponding path program 1 times [2023-04-01 05:57:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:40,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501053538] [2023-04-01 05:57:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:40,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:40,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:40,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501053538] [2023-04-01 05:57:40,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501053538] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:40,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:40,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:57:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663171580] [2023-04-01 05:57:40,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:40,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:57:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:57:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:40,613 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) [2023-04-01 05:57:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:40,670 INFO L93 Difference]: Finished difference Result 194 states and 225 transitions. [2023-04-01 05:57:40,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:57:40,670 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 [2023-04-01 05:57:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:40,674 INFO L225 Difference]: With dead ends: 194 [2023-04-01 05:57:40,674 INFO L226 Difference]: Without dead ends: 108 [2023-04-01 05:57:40,675 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 [2023-04-01 05:57:40,676 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 [2023-04-01 05:57:40,676 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] [2023-04-01 05:57:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-04-01 05:57:40,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-04-01 05:57:40,688 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) [2023-04-01 05:57:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2023-04-01 05:57:40,689 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 50 [2023-04-01 05:57:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:40,690 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2023-04-01 05:57:40,690 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) [2023-04-01 05:57:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-04-01 05:57:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-01 05:57:40,692 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:40,692 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] [2023-04-01 05:57:40,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:57:40,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:40,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:40,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1285656108, now seen corresponding path program 1 times [2023-04-01 05:57:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:40,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407437500] [2023-04-01 05:57:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:40,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407437500] [2023-04-01 05:57:40,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407437500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:40,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:40,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:57:40,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928471024] [2023-04-01 05:57:40,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:40,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:57:40,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:57:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:57:40,961 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) [2023-04-01 05:57:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:41,336 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2023-04-01 05:57:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:57:41,336 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 [2023-04-01 05:57:41,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:41,345 INFO L225 Difference]: With dead ends: 292 [2023-04-01 05:57:41,345 INFO L226 Difference]: Without dead ends: 206 [2023-04-01 05:57:41,348 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 [2023-04-01 05:57:41,354 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 [2023-04-01 05:57:41,354 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] [2023-04-01 05:57:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-04-01 05:57:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 191. [2023-04-01 05:57:41,391 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) [2023-04-01 05:57:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2023-04-01 05:57:41,393 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 63 [2023-04-01 05:57:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:41,394 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2023-04-01 05:57:41,394 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) [2023-04-01 05:57:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2023-04-01 05:57:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-01 05:57:41,396 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:41,396 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] [2023-04-01 05:57:41,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:57:41,397 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:41,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:41,397 INFO L85 PathProgramCache]: Analyzing trace with hash -958111293, now seen corresponding path program 1 times [2023-04-01 05:57:41,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:41,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734372393] [2023-04-01 05:57:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:41,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:41,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:41,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:41,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734372393] [2023-04-01 05:57:41,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734372393] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:41,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:41,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:57:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946936156] [2023-04-01 05:57:41,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:41,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:57:41,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:57:41,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:57:41,562 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) [2023-04-01 05:57:41,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:41,723 INFO L93 Difference]: Finished difference Result 467 states and 534 transitions. [2023-04-01 05:57:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:57:41,724 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 [2023-04-01 05:57:41,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:41,728 INFO L225 Difference]: With dead ends: 467 [2023-04-01 05:57:41,728 INFO L226 Difference]: Without dead ends: 298 [2023-04-01 05:57:41,729 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 [2023-04-01 05:57:41,732 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 [2023-04-01 05:57:41,733 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] [2023-04-01 05:57:41,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-04-01 05:57:41,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 288. [2023-04-01 05:57:41,764 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) [2023-04-01 05:57:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 323 transitions. [2023-04-01 05:57:41,766 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 323 transitions. Word has length 72 [2023-04-01 05:57:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:41,766 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 323 transitions. [2023-04-01 05:57:41,767 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) [2023-04-01 05:57:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 323 transitions. [2023-04-01 05:57:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 05:57:41,768 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:41,768 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] [2023-04-01 05:57:41,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:57:41,768 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:41,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1441038535, now seen corresponding path program 1 times [2023-04-01 05:57:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868051186] [2023-04-01 05:57:41,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:42,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:42,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868051186] [2023-04-01 05:57:42,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868051186] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:42,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:42,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-01 05:57:42,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437096302] [2023-04-01 05:57:42,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:42,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 05:57:42,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 05:57:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-01 05:57:42,063 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) [2023-04-01 05:57:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:42,346 INFO L93 Difference]: Finished difference Result 571 states and 659 transitions. [2023-04-01 05:57:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:57:42,347 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 [2023-04-01 05:57:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:42,352 INFO L225 Difference]: With dead ends: 571 [2023-04-01 05:57:42,353 INFO L226 Difference]: Without dead ends: 402 [2023-04-01 05:57:42,354 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 [2023-04-01 05:57:42,355 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, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:42,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1084 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:57:42,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-04-01 05:57:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 382. [2023-04-01 05:57:42,405 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) [2023-04-01 05:57:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 435 transitions. [2023-04-01 05:57:42,407 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 435 transitions. Word has length 75 [2023-04-01 05:57:42,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:42,408 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 435 transitions. [2023-04-01 05:57:42,408 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) [2023-04-01 05:57:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 435 transitions. [2023-04-01 05:57:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-01 05:57:42,413 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:42,414 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] [2023-04-01 05:57:42,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:57:42,414 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:42,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:42,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2116184123, now seen corresponding path program 1 times [2023-04-01 05:57:42,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:42,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494120404] [2023-04-01 05:57:42,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 05:57:42,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:42,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494120404] [2023-04-01 05:57:42,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494120404] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:42,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:42,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:57:42,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387976446] [2023-04-01 05:57:42,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:42,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:57:42,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:57:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:57:42,573 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) [2023-04-01 05:57:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:42,883 INFO L93 Difference]: Finished difference Result 908 states and 1076 transitions. [2023-04-01 05:57:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:57:42,884 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 [2023-04-01 05:57:42,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:42,887 INFO L225 Difference]: With dead ends: 908 [2023-04-01 05:57:42,887 INFO L226 Difference]: Without dead ends: 548 [2023-04-01 05:57:42,889 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 [2023-04-01 05:57:42,889 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 53 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-04-01 05:57:42,889 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] [2023-04-01 05:57:42,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2023-04-01 05:57:42,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 528. [2023-04-01 05:57:42,934 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) [2023-04-01 05:57:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 609 transitions. [2023-04-01 05:57:42,937 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 609 transitions. Word has length 85 [2023-04-01 05:57:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:42,937 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 609 transitions. [2023-04-01 05:57:42,937 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) [2023-04-01 05:57:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 609 transitions. [2023-04-01 05:57:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-01 05:57:42,939 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:42,939 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] [2023-04-01 05:57:42,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 05:57:42,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:42,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:42,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1767095018, now seen corresponding path program 1 times [2023-04-01 05:57:42,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:42,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195856734] [2023-04-01 05:57:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 05:57:43,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:43,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195856734] [2023-04-01 05:57:43,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195856734] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:43,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:43,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:57:43,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153878195] [2023-04-01 05:57:43,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:43,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:57:43,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:43,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:57:43,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:57:43,129 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) [2023-04-01 05:57:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:43,366 INFO L93 Difference]: Finished difference Result 1040 states and 1202 transitions. [2023-04-01 05:57:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 05:57:43,367 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 [2023-04-01 05:57:43,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:43,370 INFO L225 Difference]: With dead ends: 1040 [2023-04-01 05:57:43,370 INFO L226 Difference]: Without dead ends: 534 [2023-04-01 05:57:43,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-01 05:57:43,372 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 [2023-04-01 05:57:43,372 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] [2023-04-01 05:57:43,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-04-01 05:57:43,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 506. [2023-04-01 05:57:43,416 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) [2023-04-01 05:57:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 565 transitions. [2023-04-01 05:57:43,418 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 565 transitions. Word has length 88 [2023-04-01 05:57:43,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:43,419 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 565 transitions. [2023-04-01 05:57:43,419 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) [2023-04-01 05:57:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 565 transitions. [2023-04-01 05:57:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 05:57:43,422 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:43,422 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] [2023-04-01 05:57:43,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 05:57:43,422 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:43,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:43,423 INFO L85 PathProgramCache]: Analyzing trace with hash 168963918, now seen corresponding path program 1 times [2023-04-01 05:57:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461228442] [2023-04-01 05:57:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 05:57:43,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461228442] [2023-04-01 05:57:43,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461228442] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:57:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686542826] [2023-04-01 05:57:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:43,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:57:43,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:57:43,613 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) [2023-04-01 05:57:43,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:57:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:43,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-01 05:57:43,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:57:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-01 05:57:44,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:57:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-01 05:57:44,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686542826] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 05:57:44,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 05:57:44,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11, 9] total 25 [2023-04-01 05:57:44,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087100058] [2023-04-01 05:57:44,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:44,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 05:57:44,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:44,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 05:57:44,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-04-01 05:57:44,541 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) [2023-04-01 05:57:44,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:44,873 INFO L93 Difference]: Finished difference Result 1120 states and 1273 transitions. [2023-04-01 05:57:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 05:57:44,874 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 [2023-04-01 05:57:44,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:44,875 INFO L225 Difference]: With dead ends: 1120 [2023-04-01 05:57:44,875 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:57:44,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2023-04-01 05:57:44,878 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 262 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-04-01 05:57:44,878 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] [2023-04-01 05:57:44,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:57:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:57:44,879 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) [2023-04-01 05:57:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:57:44,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2023-04-01 05:57:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:44,880 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:57:44,880 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) [2023-04-01 05:57:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:57:44,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:57:44,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:57:44,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 05:57:45,090 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 [2023-04-01 05:57:45,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:57:48,021 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point L672-2(lines 672 693) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point L694(lines 671 695) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 647 702) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 647 702) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 682) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point L729-2(lines 729 754) no Hoare annotation was computed. [2023-04-01 05:57:48,022 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 703 762) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point L755(lines 728 756) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point L748-1(line 748) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 703 762) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 703 762) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 576 584) no Hoare annotation was computed. [2023-04-01 05:57:48,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 576 584) the Hoare annotation is: true [2023-04-01 05:57:48,023 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 265 287) no Hoare annotation was computed. [2023-04-01 05:57:48,024 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))) [2023-04-01 05:57:48,024 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))) [2023-04-01 05:57:48,024 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2023-04-01 05:57:48,024 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 275 282) no Hoare annotation was computed. [2023-04-01 05:57:48,024 INFO L899 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2023-04-01 05:57:48,024 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))) [2023-04-01 05:57:48,025 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))) [2023-04-01 05:57:48,025 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))) [2023-04-01 05:57:48,025 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))) [2023-04-01 05:57:48,025 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-04-01 05:57:48,025 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2023-04-01 05:57:48,025 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2023-04-01 05:57:48,025 INFO L899 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 243) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2023-04-01 05:57:48,026 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 562 568) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 562 568) the Hoare annotation is: true [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 914 959) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 914 959) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 185) the Hoare annotation is: true [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 172 185) no Hoare annotation was computed. [2023-04-01 05:57:48,027 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 352 376) no Hoare annotation was computed. [2023-04-01 05:57:48,028 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))))) [2023-04-01 05:57:48,028 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 352 376) no Hoare annotation was computed. [2023-04-01 05:57:48,028 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)))) [2023-04-01 05:57:48,028 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)))) [2023-04-01 05:57:48,028 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)))) [2023-04-01 05:57:48,028 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2023-04-01 05:57:48,029 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)))) [2023-04-01 05:57:48,029 INFO L899 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2023-04-01 05:57:48,029 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2023-04-01 05:57:48,029 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 318 324) no Hoare annotation was computed. [2023-04-01 05:57:48,029 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 318 324) the Hoare annotation is: true [2023-04-01 05:57:48,029 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))) [2023-04-01 05:57:48,029 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))) [2023-04-01 05:57:48,029 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2023-04-01 05:57:48,030 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2023-04-01 05:57:48,030 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 486 549) no Hoare annotation was computed. [2023-04-01 05:57:48,030 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))) [2023-04-01 05:57:48,030 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))) [2023-04-01 05:57:48,030 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))) [2023-04-01 05:57:48,030 INFO L899 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2023-04-01 05:57:48,031 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))) [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 486 549) no Hoare annotation was computed. [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 140 162) no Hoare annotation was computed. [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 140 162) no Hoare annotation was computed. [2023-04-01 05:57:48,031 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))) [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 385 401) no Hoare annotation was computed. [2023-04-01 05:57:48,031 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 385 401) no Hoare annotation was computed. [2023-04-01 05:57:48,032 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)) [2023-04-01 05:57:48,032 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2023-04-01 05:57:48,032 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)) [2023-04-01 05:57:48,032 INFO L899 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2023-04-01 05:57:48,032 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 163 171) the Hoare annotation is: true [2023-04-01 05:57:48,032 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 163 171) no Hoare annotation was computed. [2023-04-01 05:57:48,032 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 466 484) no Hoare annotation was computed. [2023-04-01 05:57:48,032 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 484) the Hoare annotation is: true [2023-04-01 05:57:48,033 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2023-04-01 05:57:48,033 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2023-04-01 05:57:48,033 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 131 139) the Hoare annotation is: true [2023-04-01 05:57:48,033 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 131 139) no Hoare annotation was computed. [2023-04-01 05:57:48,033 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)))) [2023-04-01 05:57:48,033 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)))) [2023-04-01 05:57:48,034 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)))) [2023-04-01 05:57:48,034 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 294 317) no Hoare annotation was computed. [2023-04-01 05:57:48,034 INFO L899 garLoopResultBuilder]: For program point L298(lines 297 316) no Hoare annotation was computed. [2023-04-01 05:57:48,034 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))) [2023-04-01 05:57:48,034 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 294 317) no Hoare annotation was computed. [2023-04-01 05:57:48,034 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2023-04-01 05:57:48,036 INFO L902 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2023-04-01 05:57:48,036 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-04-01 05:57:48,036 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2023-04-01 05:57:48,036 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2023-04-01 05:57:48,036 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 189 218) the Hoare annotation is: true [2023-04-01 05:57:48,036 INFO L902 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2023-04-01 05:57:48,037 INFO L902 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2023-04-01 05:57:48,037 INFO L899 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2023-04-01 05:57:48,037 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 95 106) no Hoare annotation was computed. [2023-04-01 05:57:48,037 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)))) [2023-04-01 05:57:48,037 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 107 118) no Hoare annotation was computed. [2023-04-01 05:57:48,037 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))) [2023-04-01 05:57:48,037 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 586 593) the Hoare annotation is: true [2023-04-01 05:57:48,038 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2023-04-01 05:57:48,038 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 586 593) no Hoare annotation was computed. [2023-04-01 05:57:48,038 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 569 575) the Hoare annotation is: true [2023-04-01 05:57:48,038 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 569 575) no Hoare annotation was computed. [2023-04-01 05:57:48,038 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)))) [2023-04-01 05:57:48,038 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 326 350) no Hoare annotation was computed. [2023-04-01 05:57:48,038 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))))) [2023-04-01 05:57:48,039 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))))) [2023-04-01 05:57:48,039 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2023-04-01 05:57:48,039 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))))) [2023-04-01 05:57:48,039 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 326 350) no Hoare annotation was computed. [2023-04-01 05:57:48,039 INFO L899 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2023-04-01 05:57:48,039 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2023-04-01 05:57:48,039 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)))) [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 421 429) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 421 429) the Hoare annotation is: true [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point L460(line 460) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 430 465) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 430 465) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 601 646) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 601 646) no Hoare annotation was computed. [2023-04-01 05:57:48,040 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 252 261) no Hoare annotation was computed. [2023-04-01 05:57:48,041 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))) [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 252 261) no Hoare annotation was computed. [2023-04-01 05:57:48,041 INFO L902 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: true [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point L415-1(line 415) no Hoare annotation was computed. [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 410 420) no Hoare annotation was computed. [2023-04-01 05:57:48,041 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 420) the Hoare annotation is: true [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 402 409) no Hoare annotation was computed. [2023-04-01 05:57:48,041 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)) [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 868 913) no Hoare annotation was computed. [2023-04-01 05:57:48,041 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 868 913) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 377 384) no Hoare annotation was computed. [2023-04-01 05:57:48,042 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)) [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 552 561) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 552 561) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point L830-1(line 830) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point L814-2(lines 814 834) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 867) no Hoare annotation was computed. [2023-04-01 05:57:48,042 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 765 867) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L835(lines 813 836) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 810) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 765 867) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L815(lines 814 834) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L846(line 846) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 852) no Hoare annotation was computed. [2023-04-01 05:57:48,043 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))) [2023-04-01 05:57:48,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 119 130) the Hoare annotation is: true [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 119 130) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L902 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: true [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 54 86) no Hoare annotation was computed. [2023-04-01 05:57:48,044 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-04-01 05:57:48,045 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))) [2023-04-01 05:57:48,045 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 86) the Hoare annotation is: true [2023-04-01 05:57:48,045 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-04-01 05:57:48,045 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))) [2023-04-01 05:57:48,045 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-04-01 05:57:48,045 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2023-04-01 05:57:48,045 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 54 86) no Hoare annotation was computed. [2023-04-01 05:57:48,045 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)) [2023-04-01 05:57:48,046 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-04-01 05:57:48,046 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2023-04-01 05:57:48,046 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2023-04-01 05:57:48,046 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:48,046 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-01 05:57:48,046 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:57:48,046 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:57:48,049 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:48,051 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:57:48,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:57:48 BoogieIcfgContainer [2023-04-01 05:57:48,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:57:48,065 INFO L158 Benchmark]: Toolchain (without parser) took 9843.59ms. Allocated memory was 290.5MB in the beginning and 349.2MB in the end (delta: 58.7MB). Free memory was 241.1MB in the beginning and 263.7MB in the end (delta: -22.6MB). Peak memory consumption was 189.3MB. Max. memory is 8.0GB. [2023-04-01 05:57:48,065 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 129.4MB in the end (delta: 89.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:57:48,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.86ms. Allocated memory is still 290.5MB. Free memory was 241.1MB in the beginning and 222.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 05:57:48,066 INFO L158 Benchmark]: Boogie Preprocessor took 89.12ms. Allocated memory is still 290.5MB. Free memory was 222.5MB in the beginning and 219.0MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:57:48,066 INFO L158 Benchmark]: RCFGBuilder took 978.83ms. Allocated memory is still 290.5MB. Free memory was 219.0MB in the beginning and 221.8MB in the end (delta: -2.7MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. [2023-04-01 05:57:48,066 INFO L158 Benchmark]: TraceAbstraction took 8398.65ms. Allocated memory was 290.5MB in the beginning and 349.2MB in the end (delta: 58.7MB). Free memory was 221.2MB in the beginning and 263.7MB in the end (delta: -42.4MB). Peak memory consumption was 168.9MB. Max. memory is 8.0GB. [2023-04-01 05:57:48,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 129.4MB in the end (delta: 89.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 370.86ms. Allocated memory is still 290.5MB. Free memory was 241.1MB in the beginning and 222.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.12ms. Allocated memory is still 290.5MB. Free memory was 222.5MB in the beginning and 219.0MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 978.83ms. Allocated memory is still 290.5MB. Free memory was 219.0MB in the beginning and 221.8MB in the end (delta: -2.7MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. * TraceAbstraction took 8398.65ms. Allocated memory was 290.5MB in the beginning and 349.2MB in the end (delta: 58.7MB). Free memory was 221.2MB in the beginning and 263.7MB in the end (delta: -42.4MB). Peak memory consumption was 168.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 8.3s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 893 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 872 mSDsluCounter, 4778 SdHoareTripleChecker+Invalid, 1.0s 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, 0.6s 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, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s 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! [2023-04-01 05:57:48,086 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...