/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:03:02,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:03:02,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:03:02,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:03:02,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:03:02,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:03:02,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:03:02,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:03:02,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:03:02,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:03:02,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:03:02,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:03:02,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:03:02,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:03:02,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:03:02,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:03:02,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:03:02,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:03:02,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:03:02,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:03:02,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:03:02,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:03:02,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:03:02,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:03:02,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:03:02,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:03:02,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:03:02,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:03:02,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:03:02,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:03:02,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:03:02,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:03:02,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:03:02,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:03:02,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:03:02,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:03:02,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:03:02,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:03:02,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:03:02,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:03:02,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:03:02,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:03:02,847 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:03:02,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:03:02,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:03:02,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:03:02,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:03:02,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:03:02,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:03:02,849 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:03:02,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:03:02,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:03:02,850 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:03:02,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:03:02,850 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:03:02,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:03:02,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:03:02,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:03:02,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:03:02,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:03:02,853 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:03:02,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:03:02,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:03:02,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:03:02,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:03:03,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:03:03,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:03:03,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:03:03,102 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:03:03,102 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:03:03,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-04-03 01:03:04,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:03:04,381 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:03:04,381 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-04-03 01:03:04,392 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067fbe8ee/454738b1b0624598badd9ce7ad926783/FLAGc83b78726 [2023-04-03 01:03:04,408 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067fbe8ee/454738b1b0624598badd9ce7ad926783 [2023-04-03 01:03:04,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:03:04,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:03:04,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:03:04,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:03:04,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:03:04,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8307cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04, skipping insertion in model container [2023-04-03 01:03:04,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:03:04,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:03:04,607 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-04-03 01:03:04,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:03:04,623 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:03:04,675 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-04-03 01:03:04,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:03:04,695 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:03:04,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04 WrapperNode [2023-04-03 01:03:04,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:03:04,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:03:04,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:03:04,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:03:04,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:03:04,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:03:04,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:03:04,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:03:04,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (1/1) ... [2023-04-03 01:03:04,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:03:04,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:03:04,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:03:04,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:03:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:03:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:03:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:03:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:03:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:03:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:03:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:03:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:03:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:03:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:03:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:03:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:03:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:03:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:03:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:03:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:03:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:03:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:03:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:03:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:03:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:03:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:03:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:03:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-03 01:03:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:03:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:03:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:03:05,016 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:03:05,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:03:05,480 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:03:05,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:03:05,575 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:03:05,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:03:05 BoogieIcfgContainer [2023-04-03 01:03:05,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:03:05,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:03:05,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:03:05,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:03:05,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:03:04" (1/3) ... [2023-04-03 01:03:05,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b33c697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:03:05, skipping insertion in model container [2023-04-03 01:03:05,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:04" (2/3) ... [2023-04-03 01:03:05,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b33c697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:03:05, skipping insertion in model container [2023-04-03 01:03:05,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:03:05" (3/3) ... [2023-04-03 01:03:05,584 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2023-04-03 01:03:05,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:03:05,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:03:05,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:03:05,641 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;@67d978bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:03:05,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:03:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 72 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-04-03 01:03:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 01:03:05,653 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:05,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:05,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:05,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1433063153, now seen corresponding path program 1 times [2023-04-03 01:03:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:05,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332050502] [2023-04-03 01:03:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:05,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:05,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332050502] [2023-04-03 01:03:05,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332050502] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:05,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:05,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:03:05,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512425675] [2023-04-03 01:03:05,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:05,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:03:05,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:05,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:03:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:03:05,932 INFO L87 Difference]: Start difference. First operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 72 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:05,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:05,979 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2023-04-03 01:03:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:03:05,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:03:05,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:05,989 INFO L225 Difference]: With dead ends: 183 [2023-04-03 01:03:05,989 INFO L226 Difference]: Without dead ends: 92 [2023-04-03 01:03:05,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:03:05,994 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:05,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-04-03 01:03:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-04-03 01:03:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 55 states have internal predecessors, (57), 26 states have call successors, (26), 23 states have call predecessors, (26), 18 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 01:03:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2023-04-03 01:03:06,051 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2023-04-03 01:03:06,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:06,051 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2023-04-03 01:03:06,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2023-04-03 01:03:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:03:06,057 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:06,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:06,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:03:06,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:06,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:06,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1009114072, now seen corresponding path program 1 times [2023-04-03 01:03:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522401271] [2023-04-03 01:03:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:06,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:06,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522401271] [2023-04-03 01:03:06,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522401271] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:06,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:06,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:03:06,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521253754] [2023-04-03 01:03:06,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:06,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:03:06,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:06,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:03:06,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:06,217 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:06,263 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2023-04-03 01:03:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:03:06,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:03:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:06,265 INFO L225 Difference]: With dead ends: 137 [2023-04-03 01:03:06,265 INFO L226 Difference]: Without dead ends: 84 [2023-04-03 01:03:06,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:06,266 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 9 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:06,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 147 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:06,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-04-03 01:03:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-04-03 01:03:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 50 states have internal predecessors, (51), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:03:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2023-04-03 01:03:06,273 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2023-04-03 01:03:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:06,274 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2023-04-03 01:03:06,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-04-03 01:03:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:03:06,275 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:06,275 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 01:03:06,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:03:06,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:06,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash -497874435, now seen corresponding path program 1 times [2023-04-03 01:03:06,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:06,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070378805] [2023-04-03 01:03:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:06,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:06,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070378805] [2023-04-03 01:03:06,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070378805] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:06,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:06,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:03:06,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811388289] [2023-04-03 01:03:06,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:06,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:03:06,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:06,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:03:06,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:03:06,415 INFO L87 Difference]: Start difference. First operand 84 states and 93 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 01:03:06,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:06,565 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2023-04-03 01:03:06,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:03:06,566 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 01:03:06,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:06,569 INFO L225 Difference]: With dead ends: 146 [2023-04-03 01:03:06,569 INFO L226 Difference]: Without dead ends: 84 [2023-04-03 01:03:06,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:03:06,573 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 82 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:06,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 220 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:03:06,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-04-03 01:03:06,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-04-03 01:03:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 49 states have internal predecessors, (50), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-03 01:03:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2023-04-03 01:03:06,582 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2023-04-03 01:03:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:06,582 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2023-04-03 01:03:06,582 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 01:03:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-04-03 01:03:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-03 01:03:06,583 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:06,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:06,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:03:06,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:06,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:06,584 INFO L85 PathProgramCache]: Analyzing trace with hash -723111384, now seen corresponding path program 1 times [2023-04-03 01:03:06,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:06,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458603589] [2023-04-03 01:03:06,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:06,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:06,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:06,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458603589] [2023-04-03 01:03:06,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458603589] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:06,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:06,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:03:06,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998647370] [2023-04-03 01:03:06,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:06,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:03:06,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:06,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:03:06,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:03:06,790 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-03 01:03:07,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:07,083 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2023-04-03 01:03:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:03:07,084 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 54 [2023-04-03 01:03:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:07,093 INFO L225 Difference]: With dead ends: 253 [2023-04-03 01:03:07,093 INFO L226 Difference]: Without dead ends: 191 [2023-04-03 01:03:07,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:03:07,094 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 142 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:07,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 487 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:03:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-04-03 01:03:07,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-04-03 01:03:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 113 states have internal predecessors, (117), 46 states have call successors, (46), 43 states have call predecessors, (46), 39 states have return successors, (44), 36 states have call predecessors, (44), 42 states have call successors, (44) [2023-04-03 01:03:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 207 transitions. [2023-04-03 01:03:07,138 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 207 transitions. Word has length 54 [2023-04-03 01:03:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:07,138 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 207 transitions. [2023-04-03 01:03:07,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-03 01:03:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2023-04-03 01:03:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-03 01:03:07,143 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:07,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:07,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:03:07,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:07,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1458526821, now seen corresponding path program 1 times [2023-04-03 01:03:07,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:07,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670968049] [2023-04-03 01:03:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:07,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:07,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670968049] [2023-04-03 01:03:07,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670968049] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:07,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:07,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:03:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589837246] [2023-04-03 01:03:07,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:07,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:03:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:03:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:03:07,197 INFO L87 Difference]: Start difference. First operand 183 states and 207 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-03 01:03:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:07,450 INFO L93 Difference]: Finished difference Result 443 states and 535 transitions. [2023-04-03 01:03:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:03:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 60 [2023-04-03 01:03:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:07,455 INFO L225 Difference]: With dead ends: 443 [2023-04-03 01:03:07,455 INFO L226 Difference]: Without dead ends: 282 [2023-04-03 01:03:07,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:03:07,461 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 137 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:07,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 151 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:03:07,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-04-03 01:03:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 265. [2023-04-03 01:03:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 149 states have (on average 1.2013422818791946) internal successors, (179), 167 states have internal predecessors, (179), 60 states have call successors, (60), 60 states have call predecessors, (60), 55 states have return successors, (64), 55 states have call predecessors, (64), 56 states have call successors, (64) [2023-04-03 01:03:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 303 transitions. [2023-04-03 01:03:07,494 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 303 transitions. Word has length 60 [2023-04-03 01:03:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:07,494 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 303 transitions. [2023-04-03 01:03:07,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-03 01:03:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-04-03 01:03:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-04-03 01:03:07,496 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:07,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:07,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:03:07,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:07,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:07,497 INFO L85 PathProgramCache]: Analyzing trace with hash -808943185, now seen corresponding path program 1 times [2023-04-03 01:03:07,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:07,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499606091] [2023-04-03 01:03:07,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:07,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:07,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499606091] [2023-04-03 01:03:07,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499606091] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:07,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:07,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:03:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42916238] [2023-04-03 01:03:07,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:07,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:03:07,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:03:07,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:03:07,591 INFO L87 Difference]: Start difference. First operand 265 states and 303 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:07,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:07,668 INFO L93 Difference]: Finished difference Result 292 states and 331 transitions. [2023-04-03 01:03:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:03:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2023-04-03 01:03:07,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:07,669 INFO L225 Difference]: With dead ends: 292 [2023-04-03 01:03:07,669 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:03:07,670 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 01:03:07,671 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 61 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:07,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 199 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:03:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:03:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:03:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:03:07,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2023-04-03 01:03:07,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:07,675 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:03:07,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:03:07,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:03:07,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:03:07,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:03:07,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:03:08,370 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 272) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L273(lines 250 274) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 226 281) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 226 281) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 282 341) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 333) no Hoare annotation was computed. [2023-04-03 01:03:08,371 INFO L899 garLoopResultBuilder]: For program point L334(lines 307 335) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 282 341) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 282 341) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-03 01:03:08,372 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-03 01:03:08,372 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,372 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~waterLevel~0 0)) [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 878 902) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 902) the Hoare annotation is: true [2023-04-03 01:03:08,373 INFO L895 garLoopResultBuilder]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2023-04-03 01:03:08,373 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 871) no Hoare annotation was computed. [2023-04-03 01:03:08,374 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-04-03 01:03:08,374 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,374 INFO L895 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,374 INFO L895 garLoopResultBuilder]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,374 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 854 876) no Hoare annotation was computed. [2023-04-03 01:03:08,374 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 876) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,374 INFO L895 garLoopResultBuilder]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-03 01:03:08,374 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L824(line 824) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2023-04-03 01:03:08,375 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 813 836) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 493 538) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 493 538) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2023-04-03 01:03:08,376 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,376 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 650 674) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 543 608) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 543 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,377 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 01:03:08,377 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L895 garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 01:03:08,378 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 543 608) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 141 163) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 683 699) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 683 699) no Hoare annotation was computed. [2023-04-03 01:03:08,378 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 683 699) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 172) the Hoare annotation is: true [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 140) the Hoare annotation is: true [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:03:08,379 INFO L895 garLoopResultBuilder]: At program point L629(lines 629 635) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:03:08,379 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point L622(lines 621 640) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2023-04-03 01:03:08,379 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 641) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point L808(lines 783 812) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 107) the Hoare annotation is: true [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 764 771) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 764 771) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,380 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-04-03 01:03:08,380 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (= ~waterLevel~0 1)) [2023-04-03 01:03:08,381 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 773 780) the Hoare annotation is: true [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 773 780) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 675 682) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 675 682) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 719 727) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 719 727) the Hoare annotation is: true [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 728 763) no Hoare annotation was computed. [2023-04-03 01:03:08,381 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 728 763) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 180 225) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 180 225) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 844 853) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 844 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 844 853) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true [2023-04-03 01:03:08,382 INFO L902 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: true [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 700 707) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 707) the Hoare annotation is: true [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 447 492) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 492) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-04-03 01:03:08,382 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 446) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 413) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 344 446) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L414(lines 392 415) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 389) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 344 446) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L394(lines 393 413) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 431) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:03:08,383 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2023-04-03 01:03:08,384 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2023-04-03 01:03:08,384 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:08,384 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:03:08,384 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:03:08,384 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:03:08,386 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-03 01:03:08,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:03:08,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:03:08 BoogieIcfgContainer [2023-04-03 01:03:08,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:03:08,397 INFO L158 Benchmark]: Toolchain (without parser) took 3986.22ms. Allocated memory was 256.9MB in the beginning and 315.6MB in the end (delta: 58.7MB). Free memory was 206.2MB in the beginning and 214.2MB in the end (delta: -8.0MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. [2023-04-03 01:03:08,397 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:03:08,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.83ms. Allocated memory is still 256.9MB. Free memory was 205.9MB in the beginning and 188.0MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:03:08,401 INFO L158 Benchmark]: Boogie Preprocessor took 87.30ms. Allocated memory is still 256.9MB. Free memory was 188.0MB in the beginning and 184.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:03:08,401 INFO L158 Benchmark]: RCFGBuilder took 793.17ms. Allocated memory is still 256.9MB. Free memory was 184.7MB in the beginning and 176.1MB in the end (delta: 8.6MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. [2023-04-03 01:03:08,401 INFO L158 Benchmark]: TraceAbstraction took 2817.88ms. Allocated memory was 256.9MB in the beginning and 315.6MB in the end (delta: 58.7MB). Free memory was 175.6MB in the beginning and 214.2MB in the end (delta: -38.7MB). Peak memory consumption was 72.0MB. Max. memory is 8.0GB. [2023-04-03 01:03:08,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 283.83ms. Allocated memory is still 256.9MB. Free memory was 205.9MB in the beginning and 188.0MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.30ms. Allocated memory is still 256.9MB. Free memory was 188.0MB in the beginning and 184.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 793.17ms. Allocated memory is still 256.9MB. Free memory was 184.7MB in the beginning and 176.1MB in the end (delta: 8.6MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2817.88ms. Allocated memory was 256.9MB in the beginning and 315.6MB in the end (delta: 58.7MB). Free memory was 175.6MB in the beginning and 214.2MB in the end (delta: -38.7MB). Peak memory consumption was 72.0MB. 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: 777]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 431 mSDsluCounter, 1304 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 846 IncrementalHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 458 mSDtfsCounter, 846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 332 PreInvPairs, 365 NumberOfFragments, 597 HoareAnnotationTreeSize, 332 FomulaSimplifications, 311 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1058 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:03:08,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...