/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:27,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:27,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:27,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:27,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:27,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:27,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:27,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:27,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:27,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:27,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:27,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:27,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:27,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:27,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:27,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:27,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:27,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:27,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:27,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:27,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:27,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:27,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:27,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:27,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:27,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:27,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:27,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:27,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:27,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:27,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:27,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:27,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:27,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:27,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:27,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:27,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:27,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:27,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:27,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:27,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:27,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:02:27,762 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:27,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:27,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:27,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:27,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:27,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:27,763 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:27,763 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:27,763 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:27,764 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:27,764 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:27,765 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:27,765 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:27,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:27,765 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:27,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:27,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:27,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:27,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:27,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:27,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:27,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:27,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:27,928 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:27,928 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:27,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2023-04-03 01:02:28,991 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:29,229 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:29,230 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2023-04-03 01:02:29,237 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb06a272/8cbcad5880d14646bcc7f667ef3fb9b5/FLAG82485cd01 [2023-04-03 01:02:29,249 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb06a272/8cbcad5880d14646bcc7f667ef3fb9b5 [2023-04-03 01:02:29,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:29,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:29,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:29,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:29,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:29,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac93161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29, skipping insertion in model container [2023-04-03 01:02:29,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:29,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:29,491 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_product33.cil.c[13988,14001] [2023-04-03 01:02:29,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:29,520 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:29,575 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_product33.cil.c[13988,14001] [2023-04-03 01:02:29,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:29,608 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:29,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29 WrapperNode [2023-04-03 01:02:29,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:29,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:29,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:29,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:29,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:29,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:29,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:29,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:29,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:29,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:02:29,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:02:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:29,838 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:29,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:30,270 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:30,363 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:30,363 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:30,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:30 BoogieIcfgContainer [2023-04-03 01:02:30,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:30,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:30,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:30,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:30,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:29" (1/3) ... [2023-04-03 01:02:30,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797d53bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:30, skipping insertion in model container [2023-04-03 01:02:30,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29" (2/3) ... [2023-04-03 01:02:30,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797d53bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:30, skipping insertion in model container [2023-04-03 01:02:30,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:30" (3/3) ... [2023-04-03 01:02:30,370 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2023-04-03 01:02:30,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:30,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:30,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:30,420 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;@64ac445e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:30,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:30,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 68 states have internal predecessors, (73), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-04-03 01:02:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:30,430 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:30,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:30,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:30,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:30,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1810069946, now seen corresponding path program 1 times [2023-04-03 01:02:30,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:30,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395247667] [2023-04-03 01:02:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:30,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:30,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:30,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395247667] [2023-04-03 01:02:30,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395247667] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:30,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:30,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:30,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961245924] [2023-04-03 01:02:30,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:30,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:30,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:30,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:30,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:30,660 INFO L87 Difference]: Start difference. First operand has 128 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 68 states have internal predecessors, (73), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:30,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:30,701 INFO L93 Difference]: Finished difference Result 185 states and 222 transitions. [2023-04-03 01:02:30,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:30,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:30,709 INFO L225 Difference]: With dead ends: 185 [2023-04-03 01:02:30,709 INFO L226 Difference]: Without dead ends: 93 [2023-04-03 01:02:30,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:30,715 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:30,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-04-03 01:02:30,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-04-03 01:02:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 55 states have internal predecessors, (58), 26 states have call successors, (26), 23 states have call predecessors, (26), 18 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 01:02:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2023-04-03 01:02:30,762 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 47 [2023-04-03 01:02:30,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:30,763 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2023-04-03 01:02:30,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2023-04-03 01:02:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:30,766 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:30,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:30,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:30,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:30,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash -302256260, now seen corresponding path program 1 times [2023-04-03 01:02:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:30,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157023579] [2023-04-03 01:02:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:30,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:30,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157023579] [2023-04-03 01:02:30,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157023579] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:30,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:30,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:30,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138066363] [2023-04-03 01:02:30,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:30,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:30,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:30,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:30,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:30,881 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:30,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:30,927 INFO L93 Difference]: Finished difference Result 143 states and 161 transitions. [2023-04-03 01:02:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:30,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:30,930 INFO L225 Difference]: With dead ends: 143 [2023-04-03 01:02:30,931 INFO L226 Difference]: Without dead ends: 85 [2023-04-03 01:02:30,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:30,932 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 7 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:30,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 152 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-04-03 01:02:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-04-03 01:02:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 50 states have internal predecessors, (52), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:02:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2023-04-03 01:02:30,940 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 48 [2023-04-03 01:02:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:30,940 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2023-04-03 01:02:30,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2023-04-03 01:02:30,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:02:30,947 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:30,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:30,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:30,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:30,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:30,948 INFO L85 PathProgramCache]: Analyzing trace with hash 695870241, now seen corresponding path program 1 times [2023-04-03 01:02:30,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:30,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089562237] [2023-04-03 01:02:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:30,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:31,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089562237] [2023-04-03 01:02:31,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089562237] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:31,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7991023] [2023-04-03 01:02:31,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:31,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:31,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:31,013 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:02:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,035 INFO L93 Difference]: Finished difference Result 148 states and 167 transitions. [2023-04-03 01:02:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:31,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 50 [2023-04-03 01:02:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,038 INFO L225 Difference]: With dead ends: 148 [2023-04-03 01:02:31,038 INFO L226 Difference]: Without dead ends: 85 [2023-04-03 01:02:31,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:31,040 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 71 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:31,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-04-03 01:02:31,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-04-03 01:02:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.186046511627907) internal successors, (51), 49 states have internal predecessors, (51), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:02:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2023-04-03 01:02:31,048 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 50 [2023-04-03 01:02:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,048 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2023-04-03 01:02:31,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 01:02:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2023-04-03 01:02:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-03 01:02:31,049 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:31,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:31,049 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1900559542, now seen corresponding path program 1 times [2023-04-03 01:02:31,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859963947] [2023-04-03 01:02:31,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:31,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859963947] [2023-04-03 01:02:31,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859963947] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:31,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687431848] [2023-04-03 01:02:31,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:31,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:31,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:31,218 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:02:31,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,534 INFO L93 Difference]: Finished difference Result 229 states and 265 transitions. [2023-04-03 01:02:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:31,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 58 [2023-04-03 01:02:31,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,537 INFO L225 Difference]: With dead ends: 229 [2023-04-03 01:02:31,537 INFO L226 Difference]: Without dead ends: 166 [2023-04-03 01:02:31,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:31,538 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 117 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 105 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-04-03 01:02:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 151. [2023-04-03 01:02:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 88 states have internal predecessors, (97), 35 states have call successors, (35), 35 states have call predecessors, (35), 33 states have return successors, (35), 32 states have call predecessors, (35), 31 states have call successors, (35) [2023-04-03 01:02:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2023-04-03 01:02:31,574 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 58 [2023-04-03 01:02:31,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,574 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2023-04-03 01:02:31,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:02:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2023-04-03 01:02:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-04-03 01:02:31,579 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,579 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] [2023-04-03 01:02:31,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:31,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1410548440, now seen corresponding path program 1 times [2023-04-03 01:02:31,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745076262] [2023-04-03 01:02:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:31,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745076262] [2023-04-03 01:02:31,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745076262] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195996252] [2023-04-03 01:02:31,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:31,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:31,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:31,735 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 01:02:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,849 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2023-04-03 01:02:31,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:31,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 67 [2023-04-03 01:02:31,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,856 INFO L225 Difference]: With dead ends: 367 [2023-04-03 01:02:31,856 INFO L226 Difference]: Without dead ends: 238 [2023-04-03 01:02:31,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:02:31,863 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 49 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 342 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-04-03 01:02:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2023-04-03 01:02:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 128 states have (on average 1.1796875) internal successors, (151), 136 states have internal predecessors, (151), 50 states have call successors, (50), 50 states have call predecessors, (50), 49 states have return successors, (54), 48 states have call predecessors, (54), 46 states have call successors, (54) [2023-04-03 01:02:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 255 transitions. [2023-04-03 01:02:31,901 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 255 transitions. Word has length 67 [2023-04-03 01:02:31,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,902 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 255 transitions. [2023-04-03 01:02:31,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 01:02:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 255 transitions. [2023-04-03 01:02:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-04-03 01:02:31,906 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,906 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] [2023-04-03 01:02:31,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:31,907 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1218901602, now seen corresponding path program 1 times [2023-04-03 01:02:31,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262376506] [2023-04-03 01:02:31,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:32,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:32,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262376506] [2023-04-03 01:02:32,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262376506] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:32,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:32,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:32,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831032669] [2023-04-03 01:02:32,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:32,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:32,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:32,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:32,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:32,058 INFO L87 Difference]: Start difference. First operand 228 states and 255 transitions. Second operand has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:02:32,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:32,226 INFO L93 Difference]: Finished difference Result 440 states and 494 transitions. [2023-04-03 01:02:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:32,227 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2023-04-03 01:02:32,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:32,228 INFO L225 Difference]: With dead ends: 440 [2023-04-03 01:02:32,228 INFO L226 Difference]: Without dead ends: 125 [2023-04-03 01:02:32,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:32,231 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 53 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:32,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 757 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-03 01:02:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-04-03 01:02:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 72 states have internal predecessors, (76), 29 states have call successors, (29), 29 states have call predecessors, (29), 25 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:02:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 130 transitions. [2023-04-03 01:02:32,245 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 130 transitions. Word has length 70 [2023-04-03 01:02:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:32,245 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 130 transitions. [2023-04-03 01:02:32,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:02:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-04-03 01:02:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-04-03 01:02:32,246 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:32,247 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] [2023-04-03 01:02:32,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:32,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:32,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash -199087208, now seen corresponding path program 1 times [2023-04-03 01:02:32,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325809472] [2023-04-03 01:02:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:32,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:32,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325809472] [2023-04-03 01:02:32,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325809472] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:32,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:32,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:32,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725470923] [2023-04-03 01:02:32,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:32,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:32,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:32,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:32,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:32,551 INFO L87 Difference]: Start difference. First operand 123 states and 130 transitions. Second operand has 14 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:32,737 INFO L93 Difference]: Finished difference Result 196 states and 213 transitions. [2023-04-03 01:02:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-03 01:02:32,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) Word has length 70 [2023-04-03 01:02:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:32,738 INFO L225 Difference]: With dead ends: 196 [2023-04-03 01:02:32,738 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:32,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:32,741 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 222 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:32,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 462 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:02:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:32,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2023-04-03 01:02:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:32,742 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:32,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:32,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:32,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:32,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:32,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:33,768 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:33,768 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:33,768 INFO L899 garLoopResultBuilder]: For program point L352(lines 329 353) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 305 360) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 351) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 305 360) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L387-2(lines 387 412) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L413(lines 386 414) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L406(line 406) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 361 420) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L406-1(line 406) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 361 420) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 361 420) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 908 916) no Hoare annotation was computed. [2023-04-03 01:02:33,769 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 908 916) the Hoare annotation is: true [2023-04-03 01:02:33,769 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point L241(line 241) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point L241-1(line 241) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2023-04-03 01:02:33,770 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2023-04-03 01:02:33,770 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point L235-1(line 235) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 251) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,770 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 184 207) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L198(line 198) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 894 900) no Hoare annotation was computed. [2023-04-03 01:02:33,771 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 894 900) the Hoare annotation is: true [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 572 617) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 572 617) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point L738-1(line 738) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 732 756) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L895 garLoopResultBuilder]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2023-04-03 01:02:33,772 INFO L895 garLoopResultBuilder]: At program point L746(line 746) 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)))) (or .cse0 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:33,772 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 732 756) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2023-04-03 01:02:33,772 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2023-04-03 01:02:33,772 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2023-04-03 01:02:33,773 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2023-04-03 01:02:33,773 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 628 691) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 691) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point L674-2(lines 668 679) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< ~systemActive~0 1) (and .cse0 (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)))) [2023-04-03 01:02:33,773 INFO L899 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< ~systemActive~0 1) (and .cse0 (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)))) [2023-04-03 01:02:33,773 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2023-04-03 01:02:33,773 INFO L895 garLoopResultBuilder]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (< ~systemActive~0 1) (and .cse0 (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:02:33,774 INFO L895 garLoopResultBuilder]: At program point L681(lines 638 683) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (< ~systemActive~0 1) (and .cse0 (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 628 691) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 764) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:02:33,774 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 135) the Hoare annotation is: true [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 829 847) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 829 847) the Hoare annotation is: true [2023-04-03 01:02:33,774 INFO L902 garLoopResultBuilder]: At program point L836(line 836) the Hoare annotation is: true [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point L836-1(line 836) no Hoare annotation was computed. [2023-04-03 01:02:33,774 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-03 01:02:33,774 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point L704(lines 703 722) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 723) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse0 (< ~systemActive~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 (= ~pumpRunning~0 0)) (or .cse0 .cse4 (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)))) [2023-04-03 01:02:33,775 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)))) [2023-04-03 01:02:33,775 INFO L895 garLoopResultBuilder]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (< ~systemActive~0 1)) (.cse2 (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))) .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2023-04-03 01:02:33,775 INFO L902 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L902 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-04-03 01:02:33,775 INFO L902 garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true [2023-04-03 01:02:33,775 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 153 182) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)) [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 619 626) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 619 626) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 901 907) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 901 907) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 784 792) no Hoare annotation was computed. [2023-04-03 01:02:33,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 784 792) the Hoare annotation is: true [2023-04-03 01:02:33,776 INFO L899 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 793 828) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 793 828) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 259 304) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 259 304) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 216 225) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 773 783) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 772) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 526 571) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 526 571) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point L473(lines 472 492) no Hoare annotation was computed. [2023-04-03 01:02:33,777 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 510) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 423 525) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 423 525) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L472-2(lines 472 492) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 423 525) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L493(lines 471 494) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 468) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 884 893) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 884 893) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:33,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L866-1(line 866) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 849 881) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 849 881) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L902 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: true [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 849 881) the Hoare annotation is: true [2023-04-03 01:02:33,779 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0)) (or .cse0 (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L895 garLoopResultBuilder]: At program point L866(line 866) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0)) (or .cse0 (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:33,779 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:02:33,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:33,780 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:33,782 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:33,783 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:33,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:33 BoogieIcfgContainer [2023-04-03 01:02:33,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:33,792 INFO L158 Benchmark]: Toolchain (without parser) took 4540.20ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 135.7MB in the beginning and 180.8MB in the end (delta: -45.0MB). Peak memory consumption was 139.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:33,793 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:33,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.96ms. Allocated memory is still 176.2MB. Free memory was 135.7MB in the beginning and 117.5MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:33,793 INFO L158 Benchmark]: Boogie Preprocessor took 58.11ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 114.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:02:33,793 INFO L158 Benchmark]: RCFGBuilder took 696.74ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 114.1MB in the beginning and 201.2MB in the end (delta: -87.1MB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. [2023-04-03 01:02:33,793 INFO L158 Benchmark]: TraceAbstraction took 3425.59ms. Allocated memory is still 257.9MB. Free memory was 200.7MB in the beginning and 180.8MB in the end (delta: 19.9MB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. [2023-04-03 01:02:33,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.96ms. Allocated memory is still 176.2MB. Free memory was 135.7MB in the beginning and 117.5MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.11ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 114.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 696.74ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 114.1MB in the beginning and 201.2MB in the end (delta: -87.1MB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3425.59ms. Allocated memory is still 257.9MB. Free memory was 200.7MB in the beginning and 180.8MB in the end (delta: 19.9MB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 623]: 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 38 procedures, 171 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 532 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 519 mSDsluCounter, 1999 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1455 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 829 IncrementalHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 544 mSDtfsCounter, 829 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=5, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 413 PreInvPairs, 444 NumberOfFragments, 691 HoareAnnotationTreeSize, 413 FomulaSimplifications, 208 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 2175 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((systemActive < 1 || (splverifierCounter == 0 && pumpRunning == 1)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:33,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...