/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_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:55,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:55,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:55,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:55,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:55,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:55,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:55,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:55,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:55,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:55,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:55,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:55,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:55,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:55,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:55,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:55,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:55,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:55,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:55,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:55,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:55,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:55,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:55,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:55,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:55,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:55,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:55,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:55,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:55,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:55,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:55,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:55,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:55,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:55,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:55,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:55,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:55,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:55,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:55,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:55,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:55,738 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 01:02:55,767 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:55,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:55,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:55,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:55,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:55,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:55,769 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:55,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:55,769 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:55,769 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:55,770 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:55,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:55,770 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:55,770 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:55,770 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:55,771 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:55,771 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:55,771 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:55,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:55,771 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:55,772 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:55,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:55,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:55,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:55,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:55,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:55,773 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:55,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:55,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:56,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:56,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:56,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:56,041 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:56,041 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:56,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-04-03 01:02:57,165 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:57,385 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:57,385 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-04-03 01:02:57,399 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f46f3a74/f39b94beaa354e08bc96e2d1d314b195/FLAG2a1bdc287 [2023-04-03 01:02:57,408 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f46f3a74/f39b94beaa354e08bc96e2d1d314b195 [2023-04-03 01:02:57,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:57,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:57,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:57,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:57,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:57,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f13d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57, skipping insertion in model container [2023-04-03 01:02:57,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:57,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:57,700 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2023-04-03 01:02:57,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:57,721 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:57,782 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2023-04-03 01:02:57,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:57,799 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:57,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57 WrapperNode [2023-04-03 01:02:57,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:57,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:57,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:57,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:57,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:57,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:57,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:57,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:57,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (1/1) ... [2023-04-03 01:02:57,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:57,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:57,898 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 01:02:57,900 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 01:02:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:58,064 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:58,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:58,610 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:58,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:58,705 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:58 BoogieIcfgContainer [2023-04-03 01:02:58,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:58,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:58,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:58,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:58,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:57" (1/3) ... [2023-04-03 01:02:58,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0282b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:58, skipping insertion in model container [2023-04-03 01:02:58,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:57" (2/3) ... [2023-04-03 01:02:58,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0282b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:58, skipping insertion in model container [2023-04-03 01:02:58,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:58" (3/3) ... [2023-04-03 01:02:58,715 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2023-04-03 01:02:58,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:58,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:58,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:58,793 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;@27628852, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:58,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 62 states have internal predecessors, (66), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-04-03 01:02:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 01:02:58,803 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:58,804 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] [2023-04-03 01:02:58,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:58,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 209822055, now seen corresponding path program 1 times [2023-04-03 01:02:58,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:58,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573244077] [2023-04-03 01:02:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:58,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:59,064 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 01:02:59,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:59,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573244077] [2023-04-03 01:02:59,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573244077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:59,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:59,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:59,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352190078] [2023-04-03 01:02:59,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:59,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:59,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:59,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:59,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:59,125 INFO L87 Difference]: Start difference. First operand has 115 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 62 states have internal predecessors, (66), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:02:59,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:59,175 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2023-04-03 01:02:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:59,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:02:59,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:59,185 INFO L225 Difference]: With dead ends: 163 [2023-04-03 01:02:59,186 INFO L226 Difference]: Without dead ends: 82 [2023-04-03 01:02:59,189 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 01:02:59,192 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:59,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-04-03 01:02:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-04-03 01:02:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 50 states have internal predecessors, (52), 23 states have call successors, (23), 21 states have call predecessors, (23), 16 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-03 01:02:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2023-04-03 01:02:59,249 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2023-04-03 01:02:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:59,250 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2023-04-03 01:02:59,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:02:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-04-03 01:02:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:02:59,256 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:59,256 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] [2023-04-03 01:02:59,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:59,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:59,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1349374425, now seen corresponding path program 1 times [2023-04-03 01:02:59,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:59,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281676320] [2023-04-03 01:02:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:59,399 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 01:02:59,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:59,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281676320] [2023-04-03 01:02:59,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281676320] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:59,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:59,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:59,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319039454] [2023-04-03 01:02:59,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:59,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:59,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:59,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:59,408 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:02:59,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:59,440 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2023-04-03 01:02:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:59,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:02:59,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:59,442 INFO L225 Difference]: With dead ends: 109 [2023-04-03 01:02:59,442 INFO L226 Difference]: Without dead ends: 74 [2023-04-03 01:02:59,443 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 01:02:59,444 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:59,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-03 01:02:59,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-03 01:02:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 45 states have internal predecessors, (46), 20 states have call successors, (20), 20 states have call predecessors, (20), 16 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-03 01:02:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2023-04-03 01:02:59,455 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2023-04-03 01:02:59,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:59,456 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2023-04-03 01:02:59,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:02:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-04-03 01:02:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:59,457 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:59,457 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 01:02:59,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:59,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:59,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:59,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1370447364, now seen corresponding path program 1 times [2023-04-03 01:02:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753426302] [2023-04-03 01:02:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:59,721 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 01:02:59,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:59,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753426302] [2023-04-03 01:02:59,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753426302] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:59,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:59,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905027804] [2023-04-03 01:02:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:59,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:59,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:59,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:59,727 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:02:59,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:59,966 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2023-04-03 01:02:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:59,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 47 [2023-04-03 01:02:59,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:59,968 INFO L225 Difference]: With dead ends: 223 [2023-04-03 01:02:59,968 INFO L226 Difference]: Without dead ends: 171 [2023-04-03 01:02:59,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:59,970 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 115 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:59,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 316 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-04-03 01:02:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2023-04-03 01:02:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 95 states have internal predecessors, (105), 35 states have call successors, (35), 35 states have call predecessors, (35), 31 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2023-04-03 01:02:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2023-04-03 01:02:59,986 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2023-04-03 01:02:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:59,986 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2023-04-03 01:02:59,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:02:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2023-04-03 01:02:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:02:59,988 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:59,988 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 01:02:59,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:59,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:59,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash 539294275, now seen corresponding path program 1 times [2023-04-03 01:02:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:59,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819594936] [2023-04-03 01:02:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:00,180 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 01:03:00,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819594936] [2023-04-03 01:03:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819594936] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:00,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:00,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:03:00,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155063114] [2023-04-03 01:03:00,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:00,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:03:00,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:00,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:03:00,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:03:00,182 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:03:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:00,462 INFO L93 Difference]: Finished difference Result 491 states and 610 transitions. [2023-04-03 01:03:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:03:00,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-03 01:03:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:00,474 INFO L225 Difference]: With dead ends: 491 [2023-04-03 01:03:00,474 INFO L226 Difference]: Without dead ends: 364 [2023-04-03 01:03:00,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:03:00,483 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 95 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:00,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 450 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:03:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-04-03 01:03:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 340. [2023-04-03 01:03:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 199 states have (on average 1.2864321608040201) internal successors, (256), 227 states have internal predecessors, (256), 72 states have call successors, (72), 72 states have call predecessors, (72), 68 states have return successors, (79), 68 states have call predecessors, (79), 68 states have call successors, (79) [2023-04-03 01:03:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 407 transitions. [2023-04-03 01:03:00,542 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 407 transitions. Word has length 50 [2023-04-03 01:03:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:00,542 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 407 transitions. [2023-04-03 01:03:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:03:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 407 transitions. [2023-04-03 01:03:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:03:00,545 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:00,545 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] [2023-04-03 01:03:00,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:03:00,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:00,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:00,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1118578397, now seen corresponding path program 1 times [2023-04-03 01:03:00,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:00,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842270270] [2023-04-03 01:03:00,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:00,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:00,693 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 01:03:00,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842270270] [2023-04-03 01:03:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842270270] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:00,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:00,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:03:00,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108075987] [2023-04-03 01:03:00,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:00,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:03:00,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:00,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:03:00,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:00,697 INFO L87 Difference]: Start difference. First operand 340 states and 407 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:03:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:00,736 INFO L93 Difference]: Finished difference Result 640 states and 781 transitions. [2023-04-03 01:03:00,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:03:00,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 53 [2023-04-03 01:03:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:00,739 INFO L225 Difference]: With dead ends: 640 [2023-04-03 01:03:00,739 INFO L226 Difference]: Without dead ends: 322 [2023-04-03 01:03:00,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 01:03:00,744 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 51 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:00,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:00,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-04-03 01:03:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2023-04-03 01:03:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 193 states have (on average 1.233160621761658) internal successors, (238), 215 states have internal predecessors, (238), 66 states have call successors, (66), 66 states have call predecessors, (66), 62 states have return successors, (65), 62 states have call predecessors, (65), 62 states have call successors, (65) [2023-04-03 01:03:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 369 transitions. [2023-04-03 01:03:00,812 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 369 transitions. Word has length 53 [2023-04-03 01:03:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:00,813 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 369 transitions. [2023-04-03 01:03:00,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:03:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 369 transitions. [2023-04-03 01:03:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-04-03 01:03:00,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:00,821 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:00,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:03:00,821 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:00,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash 331164986, now seen corresponding path program 1 times [2023-04-03 01:03:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:00,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719896201] [2023-04-03 01:03:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 01:03:01,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:01,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719896201] [2023-04-03 01:03:01,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719896201] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:01,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:01,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:03:01,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023608476] [2023-04-03 01:03:01,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:01,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:03:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:01,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:03:01,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:03:01,047 INFO L87 Difference]: Start difference. First operand 322 states and 369 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:01,242 INFO L93 Difference]: Finished difference Result 328 states and 375 transitions. [2023-04-03 01:03:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:03:01,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2023-04-03 01:03:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:01,243 INFO L225 Difference]: With dead ends: 328 [2023-04-03 01:03:01,243 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:03:01,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-03 01:03:01,246 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 60 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:01,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 104 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:03:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:03:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:03:01,250 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 01:03:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:03:01,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2023-04-03 01:03:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:01,250 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:03:01,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:03:01,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:03:01,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:03:01,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:03:01,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point L577(lines 554 578) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 530 585) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point L555-2(lines 555 576) no Hoare annotation was computed. [2023-04-03 01:03:02,090 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 530 585) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point L638(lines 611 639) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 586 645) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point L618(lines 618 622) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 586 645) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 586 645) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point L612-2(lines 612 637) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 179 187) no Hoare annotation was computed. [2023-04-03 01:03:02,091 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2023-04-03 01:03:02,092 INFO L895 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~waterLevel~0 0)) [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 874) no Hoare annotation was computed. [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point L861-1(lines 853 877) no Hoare annotation was computed. [2023-04-03 01:03:02,092 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2023-04-03 01:03:02,092 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 853 877) no Hoare annotation was computed. [2023-04-03 01:03:02,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 877) the Hoare annotation is: true [2023-04-03 01:03:02,093 INFO L895 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-04-03 01:03:02,093 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-03 01:03:02,093 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,093 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,093 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-03 01:03:02,093 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-03 01:03:02,093 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-03 01:03:02,093 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,094 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,094 INFO L895 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,094 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-03 01:03:02,094 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-03 01:03:02,095 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 385 399) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:03:02,096 INFO L895 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 395) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 165 171) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 165 171) the Hoare annotation is: true [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 797 842) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 797 842) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 306 312) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 306 312) the Hoare annotation is: true [2023-04-03 01:03:02,096 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 409 476) no Hoare annotation was computed. [2023-04-03 01:03:02,096 INFO L895 garLoopResultBuilder]: At program point L469(lines 418 470) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L895 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 409 476) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2023-04-03 01:03:02,097 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 449 464) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L899 garLoopResultBuilder]: For program point L420(lines 419 468) no Hoare annotation was computed. [2023-04-03 01:03:02,097 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 464) no Hoare annotation was computed. [2023-04-03 01:03:02,097 INFO L895 garLoopResultBuilder]: At program point L441(line 441) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,097 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2023-04-03 01:03:02,097 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L895 garLoopResultBuilder]: At program point L466(lines 419 468) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,098 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 409 476) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 240 262) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 240 262) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 313 320) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 313 320) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 271) the Hoare annotation is: true [2023-04-03 01:03:02,098 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 263 271) no Hoare annotation was computed. [2023-04-03 01:03:02,098 INFO L895 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-04-03 01:03:02,099 INFO L899 garLoopResultBuilder]: For program point L286(lines 285 304) no Hoare annotation was computed. [2023-04-03 01:03:02,099 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 282 305) no Hoare annotation was computed. [2023-04-03 01:03:02,099 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 305) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)))) [2023-04-03 01:03:02,099 INFO L895 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:03:02,099 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 282 305) no Hoare annotation was computed. [2023-04-03 01:03:02,099 INFO L895 garLoopResultBuilder]: At program point L293(lines 293 299) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)))) [2023-04-03 01:03:02,099 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-03 01:03:02,099 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-03 01:03:02,099 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-03 01:03:02,099 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-03 01:03:02,099 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-03 01:03:02,100 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 231 239) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 231 239) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 195 206) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 206) the Hoare annotation is: true [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2023-04-03 01:03:02,100 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 407) the Hoare annotation is: true [2023-04-03 01:03:02,100 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 207 218) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 207 218) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2023-04-03 01:03:02,101 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 844 851) the Hoare annotation is: true [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 844 851) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 172 178) the Hoare annotation is: true [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 172 178) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 340 348) the Hoare annotation is: true [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed. [2023-04-03 01:03:02,101 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 349 384) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 349 384) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 484 529) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 484 529) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point L334(line 334) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 329 339) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 329 339) no Hoare annotation was computed. [2023-04-03 01:03:02,102 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 321 328) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 321 328) the Hoare annotation is: true [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 751 796) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 751 796) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 164) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 155 164) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L698(lines 697 717) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L729(line 729) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L729-1(line 729) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 735) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 648 750) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L713(line 713) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-04-03 01:03:02,103 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 648 750) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 676) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 717) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 648 750) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point L718(lines 696 719) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 693) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 219 230) the Hoare annotation is: true [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 219 230) no Hoare annotation was computed. [2023-04-03 01:03:02,104 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:02,105 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:03:02,105 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-03 01:03:02,105 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-03 01:03:02,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:02,105 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 01:03:02,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:03:02,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:03:02,108 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-03 01:03:02,110 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:03:02,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:03:02 BoogieIcfgContainer [2023-04-03 01:03:02,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:03:02,127 INFO L158 Benchmark]: Toolchain (without parser) took 4715.40ms. Allocated memory was 326.1MB in the beginning and 446.7MB in the end (delta: 120.6MB). Free memory was 275.2MB in the beginning and 253.4MB in the end (delta: 21.8MB). Peak memory consumption was 143.2MB. Max. memory is 8.0GB. [2023-04-03 01:03:02,127 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 170.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:03:02,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.96ms. Allocated memory is still 326.1MB. Free memory was 274.9MB in the beginning and 257.3MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:03:02,128 INFO L158 Benchmark]: Boogie Preprocessor took 67.08ms. Allocated memory is still 326.1MB. Free memory was 257.3MB in the beginning and 253.9MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:03:02,128 INFO L158 Benchmark]: RCFGBuilder took 840.15ms. Allocated memory is still 326.1MB. Free memory was 253.9MB in the beginning and 259.4MB in the end (delta: -5.5MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. [2023-04-03 01:03:02,128 INFO L158 Benchmark]: TraceAbstraction took 3416.42ms. Allocated memory was 326.1MB in the beginning and 446.7MB in the end (delta: 120.6MB). Free memory was 258.9MB in the beginning and 253.4MB in the end (delta: 5.5MB). Peak memory consumption was 126.1MB. Max. memory is 8.0GB. [2023-04-03 01:03:02,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 170.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 386.96ms. Allocated memory is still 326.1MB. Free memory was 274.9MB in the beginning and 257.3MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.08ms. Allocated memory is still 326.1MB. Free memory was 257.3MB in the beginning and 253.9MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 840.15ms. Allocated memory is still 326.1MB. Free memory was 253.9MB in the beginning and 259.4MB in the end (delta: -5.5MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3416.42ms. Allocated memory was 326.1MB in the beginning and 446.7MB in the end (delta: 120.6MB). Free memory was 258.9MB in the beginning and 253.4MB in the end (delta: 5.5MB). Peak memory consumption was 126.1MB. 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: 848]: 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 37 procedures, 162 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 343 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 1150 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 763 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 645 IncrementalHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 387 mSDtfsCounter, 645 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=4, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 377 PreInvPairs, 438 NumberOfFragments, 480 HoareAnnotationTreeSize, 377 FomulaSimplifications, 130 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2310 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 21/21 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:03:02,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...