/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_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:56:47,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:56:47,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:56:47,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:56:47,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:56:47,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:56:47,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:56:47,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:56:47,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:56:47,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:56:47,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:56:47,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:56:47,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:56:47,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:56:47,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:56:47,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:56:47,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:56:47,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:56:47,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:56:47,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:56:47,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:56:47,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:56:47,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:56:47,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:56:47,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:56:47,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:56:47,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:56:47,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:56:47,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:56:47,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:56:47,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:56:47,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:56:47,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:56:47,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:56:47,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:56:47,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:56:47,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:56:47,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:56:47,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:56:47,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:56:47,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:56:47,929 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 00:56:47,955 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:56:47,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:56:47,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:56:47,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:56:47,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:56:47,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:56:47,957 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:56:47,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:56:47,957 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:56:47,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:56:47,958 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:56:47,958 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:56:47,959 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:56:47,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:56:47,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:56:47,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:56:47,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:56:47,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:56:47,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:56:47,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:56:47,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:56:47,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:56:47,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:56:47,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:56:47,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:56:47,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:56:47,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:56:47,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:56:47,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:56:47,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:56:48,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:56:48,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:56:48,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:56:48,199 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:56:48,200 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:56:48,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2023-04-03 00:56:49,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:56:49,462 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:56:49,463 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2023-04-03 00:56:49,472 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/757840b1f/4d12a1aed0334066a013922d434e8cf6/FLAG2a0ca61f7 [2023-04-03 00:56:49,483 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/757840b1f/4d12a1aed0334066a013922d434e8cf6 [2023-04-03 00:56:49,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:56:49,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:56:49,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:56:49,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:56:49,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:56:49,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79719117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49, skipping insertion in model container [2023-04-03 00:56:49,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:56:49,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:56:49,658 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_spec1_product02.cil.c[7173,7186] [2023-04-03 00:56:49,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:56:49,705 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:56:49,726 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_spec1_product02.cil.c[7173,7186] [2023-04-03 00:56:49,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:56:49,760 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:56:49,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49 WrapperNode [2023-04-03 00:56:49,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:56:49,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:56:49,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:56:49,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:56:49,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:56:49,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:56:49,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:56:49,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:56:49,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (1/1) ... [2023-04-03 00:56:49,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:56:49,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:56:49,847 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 00:56:49,848 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 00:56:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:56:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:56:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:56:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 00:56:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:56:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:56:49,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:56:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:56:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:56:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:56:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:56:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:56:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:56:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:56:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:56:50,085 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:56:50,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:56:50,535 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:56:50,704 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:56:50,705 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 00:56:50,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:56:50 BoogieIcfgContainer [2023-04-03 00:56:50,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:56:50,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:56:50,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:56:50,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:56:50,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:56:49" (1/3) ... [2023-04-03 00:56:50,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@893ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:56:50, skipping insertion in model container [2023-04-03 00:56:50,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:56:49" (2/3) ... [2023-04-03 00:56:50,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@893ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:56:50, skipping insertion in model container [2023-04-03 00:56:50,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:56:50" (3/3) ... [2023-04-03 00:56:50,718 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2023-04-03 00:56:50,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:56:50,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:56:50,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:56:50,804 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;@ec75268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:56:50,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:56:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 57 states have internal predecessors, (61), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-04-03 00:56:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 00:56:50,817 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:56:50,817 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 00:56:50,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:56:50,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:56:50,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1888330084, now seen corresponding path program 1 times [2023-04-03 00:56:50,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:56:50,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445878869] [2023-04-03 00:56:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:56:50,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:56:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:56:51,051 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 00:56:51,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:56:51,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445878869] [2023-04-03 00:56:51,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445878869] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:56:51,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:56:51,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:56:51,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743647410] [2023-04-03 00:56:51,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:56:51,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:56:51,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:56:51,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:56:51,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:56:51,079 INFO L87 Difference]: Start difference. First operand has 109 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 57 states have internal predecessors, (61), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) 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 00:56:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:56:51,113 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2023-04-03 00:56:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:56:51,114 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 00:56:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:56:51,119 INFO L225 Difference]: With dead ends: 147 [2023-04-03 00:56:51,119 INFO L226 Difference]: Without dead ends: 74 [2023-04-03 00:56:51,122 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 00:56:51,124 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:56:51,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:56:51,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-03 00:56:51,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-03 00:56:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 44 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-03 00:56:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-04-03 00:56:51,154 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2023-04-03 00:56:51,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:56:51,154 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-04-03 00:56:51,154 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 00:56:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-04-03 00:56:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 00:56:51,156 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:56:51,156 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 00:56:51,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:56:51,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:56:51,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:56:51,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1707462026, now seen corresponding path program 1 times [2023-04-03 00:56:51,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:56:51,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276626650] [2023-04-03 00:56:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:56:51,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:56:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:56:51,292 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 00:56:51,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:56:51,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276626650] [2023-04-03 00:56:51,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276626650] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:56:51,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:56:51,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:56:51,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559466314] [2023-04-03 00:56:51,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:56:51,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:56:51,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:56:51,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:56:51,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:56:51,296 INFO L87 Difference]: Start difference. First operand 74 states and 83 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 00:56:51,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:56:51,326 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2023-04-03 00:56:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:56:51,328 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 00:56:51,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:56:51,330 INFO L225 Difference]: With dead ends: 101 [2023-04-03 00:56:51,330 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 00:56:51,330 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 00:56:51,331 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:56:51,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:56:51,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 00:56:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 00:56:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 39 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 00:56:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-04-03 00:56:51,340 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2023-04-03 00:56:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:56:51,344 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-04-03 00:56:51,345 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 00:56:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-04-03 00:56:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 00:56:51,346 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:56:51,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:56:51,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:56:51,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:56:51,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:56:51,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1004697016, now seen corresponding path program 1 times [2023-04-03 00:56:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:56:51,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125502894] [2023-04-03 00:56:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:56:51,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:56:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:56:51,601 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 00:56:51,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:56:51,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125502894] [2023-04-03 00:56:51,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125502894] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:56:51,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:56:51,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:56:51,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389225546] [2023-04-03 00:56:51,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:56:51,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:56:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:56:51,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:56:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:56:51,604 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 00:56:51,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:56:51,724 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2023-04-03 00:56:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:56:51,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 46 [2023-04-03 00:56:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:56:51,726 INFO L225 Difference]: With dead ends: 110 [2023-04-03 00:56:51,726 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 00:56:51,726 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 00:56:51,727 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 61 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:56:51,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 168 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:56:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 00:56:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 00:56:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 38 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 00:56:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-04-03 00:56:51,735 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2023-04-03 00:56:51,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:56:51,735 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-04-03 00:56:51,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 00:56:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-04-03 00:56:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-03 00:56:51,736 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:56:51,736 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] [2023-04-03 00:56:51,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:56:51,737 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:56:51,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:56:51,737 INFO L85 PathProgramCache]: Analyzing trace with hash -652251221, now seen corresponding path program 1 times [2023-04-03 00:56:51,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:56:51,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252034641] [2023-04-03 00:56:51,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:56:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:56:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:56:51,857 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 00:56:51,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:56:51,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252034641] [2023-04-03 00:56:51,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252034641] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:56:51,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:56:51,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:56:51,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79745661] [2023-04-03 00:56:51,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:56:51,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:56:51,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:56:51,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:56:51,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:56:51,862 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:56:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:56:51,993 INFO L93 Difference]: Finished difference Result 147 states and 165 transitions. [2023-04-03 00:56:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 00:56:51,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-03 00:56:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:56:51,996 INFO L225 Difference]: With dead ends: 147 [2023-04-03 00:56:51,996 INFO L226 Difference]: Without dead ends: 103 [2023-04-03 00:56:51,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 00:56:52,001 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 34 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:56:52,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 247 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:56:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-04-03 00:56:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2023-04-03 00:56:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 60 states have internal predecessors, (62), 25 states have call successors, (25), 25 states have call predecessors, (25), 21 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 00:56:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2023-04-03 00:56:52,013 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 49 [2023-04-03 00:56:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:56:52,013 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2023-04-03 00:56:52,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:56:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2023-04-03 00:56:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 00:56:52,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:56:52,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:56:52,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:56:52,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:56:52,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:56:52,016 INFO L85 PathProgramCache]: Analyzing trace with hash 980706297, now seen corresponding path program 1 times [2023-04-03 00:56:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:56:52,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705316095] [2023-04-03 00:56:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:56:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:56:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:56:52,100 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 00:56:52,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:56:52,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705316095] [2023-04-03 00:56:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705316095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:56:52,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:56:52,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:56:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141051223] [2023-04-03 00:56:52,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:56:52,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:56:52,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:56:52,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:56:52,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:56:52,105 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:56:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:56:52,200 INFO L93 Difference]: Finished difference Result 169 states and 190 transitions. [2023-04-03 00:56:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:56:52,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-04-03 00:56:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:56:52,201 INFO L225 Difference]: With dead ends: 169 [2023-04-03 00:56:52,201 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 00:56:52,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 00:56:52,202 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 34 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:56:52,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:56:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 00:56:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 00:56:52,203 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 00:56:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 00:56:52,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2023-04-03 00:56:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:56:52,204 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 00:56:52,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:56:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 00:56:52,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 00:56:52,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 00:56:52,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:56:52,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 00:56:52,573 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 00:56:52,574 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 00:56:52,574 INFO L899 garLoopResultBuilder]: For program point L573-2(lines 573 594) no Hoare annotation was computed. [2023-04-03 00:56:52,574 INFO L899 garLoopResultBuilder]: For program point L595(lines 572 596) no Hoare annotation was computed. [2023-04-03 00:56:52,575 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 548 603) no Hoare annotation was computed. [2023-04-03 00:56:52,575 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 548 603) no Hoare annotation was computed. [2023-04-03 00:56:52,576 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-04-03 00:56:52,576 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 640) no Hoare annotation was computed. [2023-04-03 00:56:52,576 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 604 663) no Hoare annotation was computed. [2023-04-03 00:56:52,576 INFO L899 garLoopResultBuilder]: For program point L630-2(lines 630 655) no Hoare annotation was computed. [2023-04-03 00:56:52,576 INFO L899 garLoopResultBuilder]: For program point L656(lines 629 657) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 604 663) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 604 663) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point L649(line 649) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point L649-1(line 649) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 396 404) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 396 404) the Hoare annotation is: true [2023-04-03 00:56:52,577 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-03 00:56:52,577 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,578 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,578 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-03 00:56:52,579 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-03 00:56:52,579 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-03 00:56:52,579 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,579 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,579 INFO L895 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,580 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-03 00:56:52,580 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-03 00:56:52,581 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 382 388) no Hoare annotation was computed. [2023-04-03 00:56:52,583 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 382 388) the Hoare annotation is: true [2023-04-03 00:56:52,583 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 815 860) no Hoare annotation was computed. [2023-04-03 00:56:52,585 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 815 860) no Hoare annotation was computed. [2023-04-03 00:56:52,585 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 189 195) no Hoare annotation was computed. [2023-04-03 00:56:52,588 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 189 195) the Hoare annotation is: true [2023-04-03 00:56:52,588 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2023-04-03 00:56:52,588 INFO L895 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,588 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 277 342) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,588 INFO L895 garLoopResultBuilder]: At program point L325-2(lines 317 330) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:56:52,588 INFO L899 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2023-04-03 00:56:52,588 INFO L895 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:56:52,589 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2023-04-03 00:56:52,589 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:56:52,589 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2023-04-03 00:56:52,589 INFO L899 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2023-04-03 00:56:52,589 INFO L895 garLoopResultBuilder]: At program point L332(lines 287 334) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:56:52,590 INFO L895 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 454 476) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 454 476) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 196 203) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 477 485) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2023-04-03 00:56:52,591 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2023-04-03 00:56:52,591 INFO L902 garLoopResultBuilder]: At program point L176(lines 176 182) the Hoare annotation is: true [2023-04-03 00:56:52,591 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-03 00:56:52,592 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 165 188) no Hoare annotation was computed. [2023-04-03 00:56:52,592 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 165 188) the Hoare annotation is: true [2023-04-03 00:56:52,592 INFO L899 garLoopResultBuilder]: For program point L169(lines 168 187) no Hoare annotation was computed. [2023-04-03 00:56:52,592 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 165 188) no Hoare annotation was computed. [2023-04-03 00:56:52,592 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-03 00:56:52,592 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-03 00:56:52,592 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-03 00:56:52,592 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-03 00:56:52,592 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 453) the Hoare annotation is: true [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 409 420) the Hoare annotation is: true [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 268 275) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 268 275) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,593 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 421 432) the Hoare annotation is: true [2023-04-03 00:56:52,593 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 487 494) the Hoare annotation is: true [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 487 494) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 389 395) the Hoare annotation is: true [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 389 395) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 223 231) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 231) the Hoare annotation is: true [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 232 267) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point L262-1(line 262) no Hoare annotation was computed. [2023-04-03 00:56:52,594 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 232 267) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 502 547) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 502 547) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 212 222) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 212 222) no Hoare annotation was computed. [2023-04-03 00:56:52,595 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2023-04-03 00:56:52,596 INFO L899 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2023-04-03 00:56:52,596 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 204 211) no Hoare annotation was computed. [2023-04-03 00:56:52,596 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 204 211) no Hoare annotation was computed. [2023-04-03 00:56:52,596 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 769 814) no Hoare annotation was computed. [2023-04-03 00:56:52,597 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 769 814) no Hoare annotation was computed. [2023-04-03 00:56:52,597 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 372 381) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 372 381) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L731(line 731) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L731-1(line 731) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 666 768) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L715-2(lines 715 735) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 666 768) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L736(lines 714 737) no Hoare annotation was computed. [2023-04-03 00:56:52,598 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 711) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 666 768) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point L716(lines 715 735) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point L747(line 747) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point L747-1(line 747) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 753) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 433 444) the Hoare annotation is: true [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-03 00:56:52,599 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-03 00:56:52,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point L353-1(lines 345 369) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L902 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: true [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point L351-1(line 351) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 345 369) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 345 369) the Hoare annotation is: true [2023-04-03 00:56:52,600 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2023-04-03 00:56:52,600 INFO L895 garLoopResultBuilder]: At program point L355(line 355) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 00:56:52,600 INFO L899 garLoopResultBuilder]: For program point L355-1(line 355) no Hoare annotation was computed. [2023-04-03 00:56:52,603 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-03 00:56:52,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 00:56:52,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 12:56:52 BoogieIcfgContainer [2023-04-03 00:56:52,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 00:56:52,620 INFO L158 Benchmark]: Toolchain (without parser) took 3134.16ms. Allocated memory is still 274.7MB. Free memory was 234.4MB in the beginning and 223.3MB in the end (delta: 11.1MB). Peak memory consumption was 133.8MB. Max. memory is 8.0GB. [2023-04-03 00:56:52,620 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 00:56:52,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.63ms. Allocated memory is still 274.7MB. Free memory was 234.4MB in the beginning and 216.5MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 00:56:52,621 INFO L158 Benchmark]: Boogie Preprocessor took 55.86ms. Allocated memory is still 274.7MB. Free memory was 216.5MB in the beginning and 213.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 00:56:52,621 INFO L158 Benchmark]: RCFGBuilder took 889.84ms. Allocated memory is still 274.7MB. Free memory was 212.9MB in the beginning and 157.3MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2023-04-03 00:56:52,621 INFO L158 Benchmark]: TraceAbstraction took 1907.51ms. Allocated memory is still 274.7MB. Free memory was 156.3MB in the beginning and 223.3MB in the end (delta: -67.0MB). Peak memory consumption was 56.2MB. Max. memory is 8.0GB. [2023-04-03 00:56:52,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.63ms. Allocated memory is still 274.7MB. Free memory was 234.4MB in the beginning and 216.5MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.86ms. Allocated memory is still 274.7MB. Free memory was 216.5MB in the beginning and 213.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 889.84ms. Allocated memory is still 274.7MB. Free memory was 212.9MB in the beginning and 157.3MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1907.51ms. Allocated memory is still 274.7MB. Free memory was 156.3MB in the beginning and 223.3MB in the end (delta: -67.0MB). Peak memory consumption was 56.2MB. 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: 491]: 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 36 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 793 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 479 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 314 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 159 PreInvPairs, 173 NumberOfFragments, 355 HoareAnnotationTreeSize, 159 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 616 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (!(\old(methaneLevelCritical) == 0) || !(pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((!(\old(methaneLevelCritical) == 0) || !(pumpRunning == 0)) || !(\old(systemActive) == 1)) || (splverifierCounter == 0 && 1 == systemActive) RESULT: Ultimate proved your program to be correct! [2023-04-03 00:56:52,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...