/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:52:50,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:52:50,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:52:50,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:52:50,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:52:50,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:52:50,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:52:50,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:52:50,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:52:50,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:52:50,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:52:50,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:52:50,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:52:50,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:52:50,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:52:50,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:52:50,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:52:50,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:52:50,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:52:50,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:52:50,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:52:50,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:52:50,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:52:50,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:52:50,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:52:50,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:52:50,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:52:50,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:52:50,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:52:50,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:52:50,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:52:50,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:52:50,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:52:50,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:52:50,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:52:50,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:52:50,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:52:50,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:52:50,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:52:50,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:52:50,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:52:50,601 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 [2023-03-31 23:52:50,628 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:52:50,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:52:50,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:52:50,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:52:50,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:52:50,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:52:50,630 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:52:50,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:52:50,630 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:52:50,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:52:50,631 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:52:50,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:52:50,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:52:50,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:52:50,632 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:52:50,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:52:50,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:52:50,632 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:52:50,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:52:50,633 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:52:50,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:52:50,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:52:50,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:52:50,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:52:50,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:52:50,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:52:50,634 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:52:50,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:52:50,634 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:52:50,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:52:50,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:52:50,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:52:50,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:50,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:52:50,635 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:52:50,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:52:50,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:52:50,636 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:52:50,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:52:50,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:52:50,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:52:50,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:52:50,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:52:50,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:52:50,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:52:50,890 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:52:50,890 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:52:50,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-03-31 23:52:52,047 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:52:52,308 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:52:52,309 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-03-31 23:52:52,333 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aabf78d40/f7d4fbf7e68e497abc956348b88c959a/FLAG2e9809edb [2023-03-31 23:52:52,350 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aabf78d40/f7d4fbf7e68e497abc956348b88c959a [2023-03-31 23:52:52,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:52:52,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:52:52,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:52,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:52:52,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:52:52,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff14ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52, skipping insertion in model container [2023-03-31 23:52:52,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:52:52,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:52:52,576 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2023-03-31 23:52:52,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:52,716 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:52:52,734 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2023-03-31 23:52:52,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:52,818 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:52:52,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52 WrapperNode [2023-03-31 23:52:52,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:52,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:52:52,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:52:52,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:52:52,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:52:52,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:52:52,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:52:52,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:52:52,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (1/1) ... [2023-03-31 23:52:52,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:52,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:52:52,954 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) [2023-03-31 23:52:52,961 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 [2023-03-31 23:52:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:52:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:52:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:52:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:52:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:52:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:52:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:52:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:52:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:52:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:52:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:52:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:52:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:52:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 23:52:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:52:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:52:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:52:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:52:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:52:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:52:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:52:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:52:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:52:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:52:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:52:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:52:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:52:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:52:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:52:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:52:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:52:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:52:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:52:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:52:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:52:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:52:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:52:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:52:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:52:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:52:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:52:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:52:53,230 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:52:53,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:52:53,790 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:52:53,929 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:52:53,930 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:52:53,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:53 BoogieIcfgContainer [2023-03-31 23:52:53,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:52:53,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:52:53,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:52:53,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:52:53,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:52:52" (1/3) ... [2023-03-31 23:52:53,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43acca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:53, skipping insertion in model container [2023-03-31 23:52:53,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:52" (2/3) ... [2023-03-31 23:52:53,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43acca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:53, skipping insertion in model container [2023-03-31 23:52:53,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:53" (3/3) ... [2023-03-31 23:52:53,943 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2023-03-31 23:52:53,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:52:53,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:52:54,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:52:54,027 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;@4f1d41d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:52:54,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:52:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 97 states have internal predecessors, (101), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 48 states have call predecessors, (55), 55 states have call successors, (55) [2023-03-31 23:52:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-03-31 23:52:54,045 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:54,046 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] [2023-03-31 23:52:54,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:54,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1745437619, now seen corresponding path program 1 times [2023-03-31 23:52:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787704806] [2023-03-31 23:52:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:54,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:54,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787704806] [2023-03-31 23:52:54,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787704806] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:54,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:54,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:52:54,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407430154] [2023-03-31 23:52:54,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:54,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:52:54,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:54,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:52:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:52:54,354 INFO L87 Difference]: Start difference. First operand has 170 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 97 states have internal predecessors, (101), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 48 states have call predecessors, (55), 55 states have call successors, (55) 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) [2023-03-31 23:52:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:54,475 INFO L93 Difference]: Finished difference Result 273 states and 336 transitions. [2023-03-31 23:52:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:52:54,477 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 [2023-03-31 23:52:54,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:54,491 INFO L225 Difference]: With dead ends: 273 [2023-03-31 23:52:54,491 INFO L226 Difference]: Without dead ends: 137 [2023-03-31 23:52:54,496 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 [2023-03-31 23:52:54,500 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:54,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:52:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-03-31 23:52:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-03-31 23:52:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 85 states have internal predecessors, (87), 40 states have call successors, (40), 31 states have call predecessors, (40), 26 states have return successors, (35), 28 states have call predecessors, (35), 35 states have call successors, (35) [2023-03-31 23:52:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2023-03-31 23:52:54,563 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 42 [2023-03-31 23:52:54,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:54,564 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2023-03-31 23:52:54,565 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) [2023-03-31 23:52:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2023-03-31 23:52:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 23:52:54,573 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:54,574 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] [2023-03-31 23:52:54,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:52:54,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:54,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash 392245756, now seen corresponding path program 1 times [2023-03-31 23:52:54,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:54,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426321255] [2023-03-31 23:52:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:54,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426321255] [2023-03-31 23:52:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426321255] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:54,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:54,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:52:54,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747231735] [2023-03-31 23:52:54,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:54,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:52:54,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:54,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:52:54,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:52:54,715 INFO L87 Difference]: Start difference. First operand 137 states and 162 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) [2023-03-31 23:52:54,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:54,766 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2023-03-31 23:52:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:52:54,767 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 [2023-03-31 23:52:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:54,769 INFO L225 Difference]: With dead ends: 221 [2023-03-31 23:52:54,769 INFO L226 Difference]: Without dead ends: 129 [2023-03-31 23:52:54,770 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 [2023-03-31 23:52:54,772 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 11 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:54,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 251 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:52:54,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-03-31 23:52:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-03-31 23:52:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 80 states have internal predecessors, (81), 37 states have call successors, (37), 30 states have call predecessors, (37), 26 states have return successors, (33), 26 states have call predecessors, (33), 33 states have call successors, (33) [2023-03-31 23:52:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2023-03-31 23:52:54,786 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 43 [2023-03-31 23:52:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:54,786 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2023-03-31 23:52:54,786 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) [2023-03-31 23:52:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2023-03-31 23:52:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 23:52:54,788 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:54,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:54,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:52:54,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:54,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:54,789 INFO L85 PathProgramCache]: Analyzing trace with hash 896415183, now seen corresponding path program 1 times [2023-03-31 23:52:54,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:54,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947511572] [2023-03-31 23:52:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:55,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:55,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947511572] [2023-03-31 23:52:55,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947511572] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:55,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:55,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:52:55,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616317204] [2023-03-31 23:52:55,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:55,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:52:55,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:55,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:52:55,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:52:55,009 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:52:55,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:55,422 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2023-03-31 23:52:55,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:52:55,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 47 [2023-03-31 23:52:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:55,425 INFO L225 Difference]: With dead ends: 388 [2023-03-31 23:52:55,425 INFO L226 Difference]: Without dead ends: 281 [2023-03-31 23:52:55,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:55,427 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 317 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:55,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 557 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:52:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-03-31 23:52:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2023-03-31 23:52:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 171 states have internal predecessors, (181), 73 states have call successors, (73), 59 states have call predecessors, (73), 53 states have return successors, (70), 53 states have call predecessors, (70), 69 states have call successors, (70) [2023-03-31 23:52:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 324 transitions. [2023-03-31 23:52:55,462 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 324 transitions. Word has length 47 [2023-03-31 23:52:55,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:55,462 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 324 transitions. [2023-03-31 23:52:55,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:52:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 324 transitions. [2023-03-31 23:52:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 23:52:55,464 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:55,464 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] [2023-03-31 23:52:55,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:52:55,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:55,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:55,465 INFO L85 PathProgramCache]: Analyzing trace with hash 992649762, now seen corresponding path program 1 times [2023-03-31 23:52:55,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:55,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387229795] [2023-03-31 23:52:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:55,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:55,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387229795] [2023-03-31 23:52:55,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387229795] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:55,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:55,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:52:55,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713741537] [2023-03-31 23:52:55,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:55,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:52:55,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:52:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:52:55,552 INFO L87 Difference]: Start difference. First operand 269 states and 324 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:52:55,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:55,742 INFO L93 Difference]: Finished difference Result 635 states and 799 transitions. [2023-03-31 23:52:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:52:55,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2023-03-31 23:52:55,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:55,747 INFO L225 Difference]: With dead ends: 635 [2023-03-31 23:52:55,748 INFO L226 Difference]: Without dead ends: 388 [2023-03-31 23:52:55,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:52:55,753 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 106 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:55,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 543 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:52:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-03-31 23:52:55,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 374. [2023-03-31 23:52:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 209 states have (on average 1.2200956937799043) internal successors, (255), 233 states have internal predecessors, (255), 88 states have call successors, (88), 80 states have call predecessors, (88), 76 states have return successors, (104), 75 states have call predecessors, (104), 84 states have call successors, (104) [2023-03-31 23:52:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 447 transitions. [2023-03-31 23:52:55,786 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 447 transitions. Word has length 51 [2023-03-31 23:52:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:55,786 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 447 transitions. [2023-03-31 23:52:55,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:52:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 447 transitions. [2023-03-31 23:52:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-03-31 23:52:55,788 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:55,788 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:55,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:52:55,789 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:55,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash 479609818, now seen corresponding path program 1 times [2023-03-31 23:52:55,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:55,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990251981] [2023-03-31 23:52:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:52:55,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:55,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990251981] [2023-03-31 23:52:55,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990251981] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:55,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:55,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:52:55,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886711841] [2023-03-31 23:52:55,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:55,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:52:55,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:55,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:52:55,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:55,957 INFO L87 Difference]: Start difference. First operand 374 states and 447 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:52:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:56,341 INFO L93 Difference]: Finished difference Result 1041 states and 1309 transitions. [2023-03-31 23:52:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:52:56,342 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2023-03-31 23:52:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:56,346 INFO L225 Difference]: With dead ends: 1041 [2023-03-31 23:52:56,346 INFO L226 Difference]: Without dead ends: 689 [2023-03-31 23:52:56,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 23:52:56,348 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 130 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:56,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 991 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:52:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2023-03-31 23:52:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 669. [2023-03-31 23:52:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 382 states have (on average 1.2172774869109948) internal successors, (465), 420 states have internal predecessors, (465), 155 states have call successors, (155), 139 states have call predecessors, (155), 131 states have return successors, (197), 133 states have call predecessors, (197), 151 states have call successors, (197) [2023-03-31 23:52:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 817 transitions. [2023-03-31 23:52:56,400 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 817 transitions. Word has length 87 [2023-03-31 23:52:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:56,401 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 817 transitions. [2023-03-31 23:52:56,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-03-31 23:52:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 817 transitions. [2023-03-31 23:52:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-03-31 23:52:56,404 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:56,404 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:56,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:52:56,405 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:56,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -394753496, now seen corresponding path program 1 times [2023-03-31 23:52:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:56,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278305973] [2023-03-31 23:52:56,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:56,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 23:52:56,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278305973] [2023-03-31 23:52:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278305973] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:56,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:56,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:52:56,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900581576] [2023-03-31 23:52:56,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:56,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:52:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:52:56,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:56,663 INFO L87 Difference]: Start difference. First operand 669 states and 817 transitions. Second operand has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-03-31 23:52:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:57,068 INFO L93 Difference]: Finished difference Result 1817 states and 2265 transitions. [2023-03-31 23:52:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:52:57,069 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) Word has length 151 [2023-03-31 23:52:57,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:57,072 INFO L225 Difference]: With dead ends: 1817 [2023-03-31 23:52:57,072 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:52:57,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 23:52:57,079 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 131 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:57,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 786 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:52:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:52:57,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:52:57,084 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) [2023-03-31 23:52:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:52:57,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2023-03-31 23:52:57,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:57,085 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:52:57,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-03-31 23:52:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:52:57,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:52:57,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:52:57,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:52:57,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:52:58,521 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:52:58,521 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:52:58,521 INFO L899 garLoopResultBuilder]: For program point L224(lines 201 225) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 177 232) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 223) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 177 232) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 284) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L285(lines 258 286) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 233 292) no Hoare annotation was computed. [2023-03-31 23:52:58,522 INFO L899 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 233 292) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 233 292) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 269) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 578 585) no Hoare annotation was computed. [2023-03-31 23:52:58,523 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-03-31 23:52:58,524 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,524 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,524 INFO L895 garLoopResultBuilder]: At program point L574-1(line 574) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,524 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 568 590) no Hoare annotation was computed. [2023-03-31 23:52:58,524 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 568 590) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,524 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-03-31 23:52:58,525 INFO L895 garLoopResultBuilder]: At program point L580-1(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 585) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 526 549) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-03-31 23:52:58,525 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 526 549) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L538(line 538) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L532(line 532) no Hoare annotation was computed. [2023-03-31 23:52:58,526 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-03-31 23:52:58,527 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 526 549) no Hoare annotation was computed. [2023-03-31 23:52:58,527 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 839 853) no Hoare annotation was computed. [2023-03-31 23:52:58,527 INFO L895 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0)))) [2023-03-31 23:52:58,527 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 849) no Hoare annotation was computed. [2023-03-31 23:52:58,527 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 839 853) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-03-31 23:52:58,527 INFO L902 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: true [2023-03-31 23:52:58,527 INFO L899 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2023-03-31 23:52:58,527 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 820 838) the Hoare annotation is: true [2023-03-31 23:52:58,527 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 820 838) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-03-31 23:52:58,528 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 444 489) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 444 489) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 943 956) the Hoare annotation is: true [2023-03-31 23:52:58,528 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 687 711) no Hoare annotation was computed. [2023-03-31 23:52:58,528 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (and (= 0 processEnvironment_~tmp~7) (= ~methaneLevelCritical~0 0)) .cse0))) [2023-03-31 23:52:58,529 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methaneLevelCritical~0 processEnvironment_~tmp~7)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-03-31 23:52:58,529 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2023-03-31 23:52:58,529 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 687 711) no Hoare annotation was computed. [2023-03-31 23:52:58,529 INFO L895 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,529 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-03-31 23:52:58,529 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2023-03-31 23:52:58,529 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 687 711) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,529 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,529 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 627 633) no Hoare annotation was computed. [2023-03-31 23:52:58,529 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 627 633) the Hoare annotation is: true [2023-03-31 23:52:58,530 INFO L895 garLoopResultBuilder]: At program point L1024(lines 977 1026) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-03-31 23:52:58,530 INFO L895 garLoopResultBuilder]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-03-31 23:52:58,530 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2023-03-31 23:52:58,530 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2023-03-31 23:52:58,530 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 967 1034) no Hoare annotation was computed. [2023-03-31 23:52:58,530 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 1034) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,530 INFO L895 garLoopResultBuilder]: At program point L1027(lines 976 1028) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,530 INFO L895 garLoopResultBuilder]: At program point L1017(line 1017) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1021) no Hoare annotation was computed. [2023-03-31 23:52:58,531 INFO L895 garLoopResultBuilder]: At program point L1015-1(lines 1007 1022) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point L978(lines 977 1026) no Hoare annotation was computed. [2023-03-31 23:52:58,531 INFO L895 garLoopResultBuilder]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point L1007(lines 1007 1022) no Hoare annotation was computed. [2023-03-31 23:52:58,531 INFO L895 garLoopResultBuilder]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point L997-1(lines 997 1003) no Hoare annotation was computed. [2023-03-31 23:52:58,531 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 967 1034) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 712 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 712 719) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 965) the Hoare annotation is: true [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 957 965) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 911 933) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 720 736) no Hoare annotation was computed. [2023-03-31 23:52:58,532 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~8 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,532 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 720 736) no Hoare annotation was computed. [2023-03-31 23:52:58,533 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 720 736) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,533 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-03-31 23:52:58,533 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,533 INFO L899 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2023-03-31 23:52:58,533 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 801 819) no Hoare annotation was computed. [2023-03-31 23:52:58,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 819) the Hoare annotation is: true [2023-03-31 23:52:58,533 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2023-03-31 23:52:58,533 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 934 942) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 910) the Hoare annotation is: true [2023-03-31 23:52:58,534 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:52:58,534 INFO L899 garLoopResultBuilder]: For program point L607(lines 606 625) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2023-03-31 23:52:58,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 626) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-03-31 23:52:58,534 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-03-31 23:52:58,535 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 603 626) no Hoare annotation was computed. [2023-03-31 23:52:58,535 INFO L895 garLoopResultBuilder]: At program point L614(lines 614 620) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= ~methaneLevelCritical~0 0) (not .cse2)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))) [2023-03-31 23:52:58,535 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 493 522) no Hoare annotation was computed. [2023-03-31 23:52:58,535 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-03-31 23:52:58,535 INFO L902 garLoopResultBuilder]: At program point L507-1(lines 507 511) the Hoare annotation is: true [2023-03-31 23:52:58,535 INFO L902 garLoopResultBuilder]: At program point L503-2(lines 503 517) the Hoare annotation is: true [2023-03-31 23:52:58,535 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2023-03-31 23:52:58,535 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-03-31 23:52:58,535 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 522) the Hoare annotation is: true [2023-03-31 23:52:58,536 INFO L902 garLoopResultBuilder]: At program point L518(lines 493 522) the Hoare annotation is: true [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2023-03-31 23:52:58,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 866 877) the Hoare annotation is: true [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 854 861) no Hoare annotation was computed. [2023-03-31 23:52:58,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 861) the Hoare annotation is: true [2023-03-31 23:52:58,536 INFO L895 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point L641-1(line 641) no Hoare annotation was computed. [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 656) no Hoare annotation was computed. [2023-03-31 23:52:58,536 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 635 659) no Hoare annotation was computed. [2023-03-31 23:52:58,537 INFO L895 garLoopResultBuilder]: At program point L654(line 654) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,537 INFO L899 garLoopResultBuilder]: For program point L654-1(lines 635 659) no Hoare annotation was computed. [2023-03-31 23:52:58,537 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 659) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,537 INFO L895 garLoopResultBuilder]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:52:58,537 INFO L895 garLoopResultBuilder]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:52:58,537 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 651) no Hoare annotation was computed. [2023-03-31 23:52:58,537 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2023-03-31 23:52:58,537 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 889) the Hoare annotation is: true [2023-03-31 23:52:58,537 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-03-31 23:52:58,538 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-03-31 23:52:58,538 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2023-03-31 23:52:58,538 INFO L895 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2023-03-31 23:52:58,538 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 661 685) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 661 685) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,539 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 661 685) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L895 garLoopResultBuilder]: At program point L675(line 675) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 756 764) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 764) the Hoare annotation is: true [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point L795-1(line 795) no Hoare annotation was computed. [2023-03-31 23:52:58,539 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 800) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 765 800) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 131 176) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 131 176) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 558 567) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 567) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 558 567) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L902 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: true [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2023-03-31 23:52:58,540 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 755) the Hoare annotation is: true [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 744) the Hoare annotation is: true [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 398 443) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 398 443) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point L345(lines 344 364) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2023-03-31 23:52:58,541 INFO L899 garLoopResultBuilder]: For program point L376-1(line 376) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 382) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 295 397) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L360(line 360) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L360-1(line 360) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 295 397) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 323) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 364) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 295 397) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L365(lines 343 366) no Hoare annotation was computed. [2023-03-31 23:52:58,542 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 340) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 550 556) no Hoare annotation was computed. [2023-03-31 23:52:58,543 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 550 556) the Hoare annotation is: true [2023-03-31 23:52:58,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:58,544 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-03-31 23:52:58,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:52:58,544 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:52:58,544 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 99 123) no Hoare annotation was computed. [2023-03-31 23:52:58,544 INFO L895 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-03-31 23:52:58,544 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 117) no Hoare annotation was computed. [2023-03-31 23:52:58,544 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-03-31 23:52:58,544 INFO L899 garLoopResultBuilder]: For program point L109-1(line 109) no Hoare annotation was computed. [2023-03-31 23:52:58,544 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 120) no Hoare annotation was computed. [2023-03-31 23:52:58,545 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 99 123) no Hoare annotation was computed. [2023-03-31 23:52:58,545 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 99 123) the Hoare annotation is: true [2023-03-31 23:52:58,545 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2023-03-31 23:52:58,545 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-03-31 23:52:58,548 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 23:52:58,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:52:58,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:52:58 BoogieIcfgContainer [2023-03-31 23:52:58,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:52:58,569 INFO L158 Benchmark]: Toolchain (without parser) took 6215.40ms. Allocated memory was 178.3MB in the beginning and 318.8MB in the end (delta: 140.5MB). Free memory was 126.2MB in the beginning and 255.5MB in the end (delta: -129.3MB). Peak memory consumption was 124.0MB. Max. memory is 8.0GB. [2023-03-31 23:52:58,569 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:52:58,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 107.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:52:58,569 INFO L158 Benchmark]: Boogie Preprocessor took 84.26ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 103.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 23:52:58,570 INFO L158 Benchmark]: RCFGBuilder took 1028.15ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 103.4MB in the beginning and 163.0MB in the end (delta: -59.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-03-31 23:52:58,570 INFO L158 Benchmark]: TraceAbstraction took 4632.42ms. Allocated memory was 245.4MB in the beginning and 318.8MB in the end (delta: 73.4MB). Free memory was 162.5MB in the beginning and 255.5MB in the end (delta: -93.0MB). Peak memory consumption was 92.6MB. Max. memory is 8.0GB. [2023-03-31 23:52:58,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 107.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.26ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 103.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1028.15ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 103.4MB in the beginning and 163.0MB in the end (delta: -59.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4632.42ms. Allocated memory was 245.4MB in the beginning and 318.8MB in the end (delta: 73.4MB). Free memory was 162.5MB in the beginning and 255.5MB in the end (delta: -93.0MB). Peak memory consumption was 92.6MB. 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: 54]: 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 45 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 713 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 695 mSDsluCounter, 3282 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2432 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1616 IncrementalHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 850 mSDtfsCounter, 1616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=5, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 46 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 1449 PreInvPairs, 1562 NumberOfFragments, 833 HoareAnnotationTreeSize, 1449 FomulaSimplifications, 378 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 73 FomulaSimplificationsInter, 4488 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 415 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 47/47 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: 976]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:52:58,601 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...