/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:57:19,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:57:19,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:57:19,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:57:19,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:57:19,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:57:19,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:57:19,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:57:19,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:57:19,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:57:19,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:57:19,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:57:19,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:57:19,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:57:19,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:57:19,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:57:19,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:57:19,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:57:19,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:57:19,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:57:19,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:57:19,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:57:19,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:57:19,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:57:19,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:57:19,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:57:19,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:57:19,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:57:19,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:57:19,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:57:19,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:57:19,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:57:19,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:57:19,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:57:19,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:57:19,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:57:19,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:57:19,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:57:19,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:57:19,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:57:19,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:57:19,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:57:19,388 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:57:19,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:57:19,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:57:19,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:57:19,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:57:19,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:57:19,390 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:57:19,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:57:19,390 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:57:19,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:57:19,391 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:57:19,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:57:19,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:57:19,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:57:19,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:57:19,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:57:19,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:57:19,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:57:19,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:57:19,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:57:19,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:57:19,603 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:57:19,604 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:57:19,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2023-04-03 00:57:20,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:57:20,794 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:57:20,794 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2023-04-03 00:57:20,801 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c7ff056/a24e7052c7cc4cb19d84ea0b5014aaf2/FLAG268adba1b [2023-04-03 00:57:20,816 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c7ff056/a24e7052c7cc4cb19d84ea0b5014aaf2 [2023-04-03 00:57:20,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:57:20,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:57:20,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:57:20,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:57:20,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:57:20,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:57:20" (1/1) ... [2023-04-03 00:57:20,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3402b470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:20, skipping insertion in model container [2023-04-03 00:57:20,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:57:20" (1/1) ... [2023-04-03 00:57:20,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:57:20,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:57:20,999 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_product10.cil.c[1605,1618] [2023-04-03 00:57:21,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:57:21,072 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:57:21,085 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_product10.cil.c[1605,1618] [2023-04-03 00:57:21,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:57:21,138 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:57:21,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21 WrapperNode [2023-04-03 00:57:21,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:57:21,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:57:21,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:57:21,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:57:21,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:57:21,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:57:21,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:57:21,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:57:21,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (1/1) ... [2023-04-03 00:57:21,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:57:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:57:21,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:57:21,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:57:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:57:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 00:57:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:57:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:57:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:57:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:57:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:57:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:57:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:57:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 00:57:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 00:57:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-03 00:57:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 00:57:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 00:57:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 00:57:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 00:57:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 00:57:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 00:57:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:57:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:57:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:57:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:57:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:57:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:57:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:57:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 00:57:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 00:57:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 00:57:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:57:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:57:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:57:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:57:21,392 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:57:21,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:57:21,848 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:57:21,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:57:21,962 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 00:57:21,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:57:21 BoogieIcfgContainer [2023-04-03 00:57:21,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:57:21,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:57:21,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:57:21,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:57:21,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:57:20" (1/3) ... [2023-04-03 00:57:21,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6384c8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:57:21, skipping insertion in model container [2023-04-03 00:57:21,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:57:21" (2/3) ... [2023-04-03 00:57:21,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6384c8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:57:21, skipping insertion in model container [2023-04-03 00:57:21,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:57:21" (3/3) ... [2023-04-03 00:57:21,973 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2023-04-03 00:57:21,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:57:21,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:57:22,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:57:22,032 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;@70fabb5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:57:22,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:57:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 62 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-03 00:57:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 00:57:22,042 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:57:22,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:57:22,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:57:22,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:57:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2011225481, now seen corresponding path program 1 times [2023-04-03 00:57:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:57:22,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646013694] [2023-04-03 00:57:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:57:22,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:57:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:57:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:57:22,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:57:22,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646013694] [2023-04-03 00:57:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646013694] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:57:22,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:57:22,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:57:22,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392838615] [2023-04-03 00:57:22,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:57:22,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:57:22,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:57:22,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:57:22,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:57:22,274 INFO L87 Difference]: Start difference. First operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 62 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:57:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:57:22,317 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2023-04-03 00:57:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:57:22,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 00:57:22,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:57:22,325 INFO L225 Difference]: With dead ends: 147 [2023-04-03 00:57:22,325 INFO L226 Difference]: Without dead ends: 74 [2023-04-03 00:57:22,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:57:22,329 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:57:22,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:57:22,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-03 00:57:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-03 00:57:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 44 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-03 00:57:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-04-03 00:57:22,376 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2023-04-03 00:57:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:57:22,377 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-04-03 00:57:22,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:57:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-04-03 00:57:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 00:57:22,382 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:57:22,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:57:22,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:57:22,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:57:22,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:57:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash -494882516, now seen corresponding path program 1 times [2023-04-03 00:57:22,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:57:22,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483164505] [2023-04-03 00:57:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:57:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:57:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:57:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:57:22,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:57:22,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483164505] [2023-04-03 00:57:22,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483164505] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:57:22,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:57:22,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:57:22,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86826925] [2023-04-03 00:57:22,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:57:22,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:57:22,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:57:22,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:57:22,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:57:22,521 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:57:22,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:57:22,572 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2023-04-03 00:57:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:57:22,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 00:57:22,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:57:22,573 INFO L225 Difference]: With dead ends: 101 [2023-04-03 00:57:22,573 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 00:57:22,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:57:22,574 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:57:22,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:57:22,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 00:57:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 00:57:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 39 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 00:57:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-04-03 00:57:22,583 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2023-04-03 00:57:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:57:22,583 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-04-03 00:57:22,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:57:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-04-03 00:57:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 00:57:22,584 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:57:22,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:57:22,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:57:22,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:57:22,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:57:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1076746803, now seen corresponding path program 1 times [2023-04-03 00:57:22,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:57:22,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362477931] [2023-04-03 00:57:22,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:57:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:57:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:57:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:57:22,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:57:22,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362477931] [2023-04-03 00:57:22,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362477931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:57:22,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:57:22,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:57:22,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058719170] [2023-04-03 00:57:22,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:57:22,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:57:22,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:57:22,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:57:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:57:22,735 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:57:22,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:57:22,867 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2023-04-03 00:57:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:57:22,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-04-03 00:57:22,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:57:22,869 INFO L225 Difference]: With dead ends: 110 [2023-04-03 00:57:22,869 INFO L226 Difference]: Without dead ends: 66 [2023-04-03 00:57:22,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 00:57:22,870 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 61 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:57:22,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 168 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:57:22,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-03 00:57:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-03 00:57:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 38 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-03 00:57:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-04-03 00:57:22,877 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2023-04-03 00:57:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:57:22,878 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-04-03 00:57:22,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:57:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-04-03 00:57:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-03 00:57:22,879 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:57:22,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:57:22,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:57:22,879 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:57:22,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:57:22,880 INFO L85 PathProgramCache]: Analyzing trace with hash 399241962, now seen corresponding path program 1 times [2023-04-03 00:57:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:57:22,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307638538] [2023-04-03 00:57:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:57:22,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:57:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:57:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:57:23,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:57:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307638538] [2023-04-03 00:57:23,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307638538] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:57:23,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:57:23,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:57:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696894640] [2023-04-03 00:57:23,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:57:23,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:57:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:57:23,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:57:23,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:57:23,002 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:57:23,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:57:23,116 INFO L93 Difference]: Finished difference Result 147 states and 165 transitions. [2023-04-03 00:57:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 00:57:23,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-03 00:57:23,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:57:23,118 INFO L225 Difference]: With dead ends: 147 [2023-04-03 00:57:23,119 INFO L226 Difference]: Without dead ends: 103 [2023-04-03 00:57:23,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 00:57:23,121 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 34 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:57:23,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 247 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:57:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-04-03 00:57:23,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2023-04-03 00:57:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 60 states have internal predecessors, (62), 25 states have call successors, (25), 25 states have call predecessors, (25), 21 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 00:57:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2023-04-03 00:57:23,141 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 49 [2023-04-03 00:57:23,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:57:23,142 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2023-04-03 00:57:23,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:57:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2023-04-03 00:57:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 00:57:23,143 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:57:23,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:57:23,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:57:23,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:57:23,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:57:23,147 INFO L85 PathProgramCache]: Analyzing trace with hash 336347552, now seen corresponding path program 1 times [2023-04-03 00:57:23,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:57:23,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550244252] [2023-04-03 00:57:23,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:57:23,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:57:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:57:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:57:23,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:57:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550244252] [2023-04-03 00:57:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550244252] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:57:23,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:57:23,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:57:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409487136] [2023-04-03 00:57:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:57:23,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:57:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:57:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:57:23,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:57:23,255 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:57:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:57:23,361 INFO L93 Difference]: Finished difference Result 169 states and 190 transitions. [2023-04-03 00:57:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:57:23,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-04-03 00:57:23,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:57:23,363 INFO L225 Difference]: With dead ends: 169 [2023-04-03 00:57:23,363 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 00:57:23,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 00:57:23,371 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 34 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:57:23,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:57:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 00:57:23,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 00:57:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 00:57:23,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 00:57:23,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2023-04-03 00:57:23,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:57:23,375 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 00:57:23,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:57:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 00:57:23,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 00:57:23,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 00:57:23,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:57:23,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 00:57:23,748 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point L414(lines 391 415) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 367 422) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 367 422) no Hoare annotation was computed. [2023-04-03 00:57:23,749 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 413) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point L449-2(lines 449 474) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point L475(lines 448 476) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 423 482) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point L468-1(line 468) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 423 482) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 423 482) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 459) no Hoare annotation was computed. [2023-04-03 00:57:23,750 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 869 877) no Hoare annotation was computed. [2023-04-03 00:57:23,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 877) the Hoare annotation is: true [2023-04-03 00:57:23,751 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 291 313) no Hoare annotation was computed. [2023-04-03 00:57:23,751 INFO L895 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L895 garLoopResultBuilder]: At program point L303-1(line 303) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 308) no Hoare annotation was computed. [2023-04-03 00:57:23,752 INFO L899 garLoopResultBuilder]: For program point L301-1(lines 301 308) no Hoare annotation was computed. [2023-04-03 00:57:23,752 INFO L899 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2023-04-03 00:57:23,752 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 291 313) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L895 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L895 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,752 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2023-04-03 00:57:23,752 INFO L899 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 247 270) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L254(line 254) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L253(line 253) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 247 270) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 247 270) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L265(line 265) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L263(line 263) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2023-04-03 00:57:23,753 INFO L899 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2023-04-03 00:57:23,754 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2023-04-03 00:57:23,756 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 855 861) no Hoare annotation was computed. [2023-04-03 00:57:23,757 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 855 861) the Hoare annotation is: true [2023-04-03 00:57:23,758 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 634 679) no Hoare annotation was computed. [2023-04-03 00:57:23,758 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 634 679) no Hoare annotation was computed. [2023-04-03 00:57:23,758 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 712 718) no Hoare annotation was computed. [2023-04-03 00:57:23,758 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 712 718) the Hoare annotation is: true [2023-04-03 00:57:23,758 INFO L899 garLoopResultBuilder]: For program point L159(lines 158 205) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 201) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 148 213) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 184) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point L203(lines 158 205) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point L170(line 170) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 148 213) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2023-04-03 00:57:23,759 INFO L895 garLoopResultBuilder]: At program point L206(lines 157 207) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 148 213) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L895 garLoopResultBuilder]: At program point L196-2(lines 188 201) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 112 134) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 112 134) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 741) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point L733-1(line 733) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 728 744) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 728 744) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point L739(line 739) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 728 744) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 135 143) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 135 143) no Hoare annotation was computed. [2023-04-03 00:57:23,760 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 103 111) the Hoare annotation is: true [2023-04-03 00:57:23,760 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 103 111) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point L699(lines 699 705) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point L692(lines 691 710) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 688 711) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 688 711) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 688 711) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point L226-2(lines 226 240) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 216 245) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point L241(lines 216 245) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-04-03 00:57:23,761 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 216 245) the Hoare annotation is: true [2023-04-03 00:57:23,761 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 234) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L902 garLoopResultBuilder]: At program point L230-1(lines 230 234) the Hoare annotation is: true [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 67 78) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 67 78) the Hoare annotation is: true [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 809 816) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 79 90) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 79 90) the Hoare annotation is: true [2023-04-03 00:57:23,762 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 862 868) the Hoare annotation is: true [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 862 868) no Hoare annotation was computed. [2023-04-03 00:57:23,762 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 719 726) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 719 726) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 764 772) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 764 772) the Hoare annotation is: true [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 773 808) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 773 808) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point L803-1(line 803) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 321 366) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 321 366) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 278 287) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 287) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 278 287) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 753 763) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 753 763) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-04-03 00:57:23,763 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 745 752) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 745 752) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 588 633) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 588 633) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 554) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L566-1(line 566) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 572) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 485 587) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 485 587) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L534-2(lines 534 554) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 485 587) no Hoare annotation was computed. [2023-04-03 00:57:23,764 INFO L899 garLoopResultBuilder]: For program point L555(lines 533 556) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 530) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 845 854) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 845 854) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 91 102) the Hoare annotation is: true [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 91 102) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 271 277) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 271 277) the Hoare annotation is: true [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-03 00:57:23,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 00:57:23,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 00:57:23,765 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 836) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point L828-1(line 828) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 839) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 818 842) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L902 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: true [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 818 842) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L899 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2023-04-03 00:57:23,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 818 842) the Hoare annotation is: true [2023-04-03 00:57:23,769 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-03 00:57:23,770 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 00:57:23,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 12:57:23 BoogieIcfgContainer [2023-04-03 00:57:23,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 00:57:23,779 INFO L158 Benchmark]: Toolchain (without parser) took 2960.33ms. Allocated memory is still 318.8MB. Free memory was 286.0MB in the beginning and 239.4MB in the end (delta: 46.6MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. [2023-04-03 00:57:23,779 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 00:57:23,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.53ms. Allocated memory is still 318.8MB. Free memory was 285.6MB in the beginning and 267.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 00:57:23,780 INFO L158 Benchmark]: Boogie Preprocessor took 55.39ms. Allocated memory is still 318.8MB. Free memory was 267.8MB in the beginning and 264.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 00:57:23,780 INFO L158 Benchmark]: RCFGBuilder took 770.65ms. Allocated memory is still 318.8MB. Free memory was 264.7MB in the beginning and 208.5MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2023-04-03 00:57:23,780 INFO L158 Benchmark]: TraceAbstraction took 1811.01ms. Allocated memory is still 318.8MB. Free memory was 208.0MB in the beginning and 239.4MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 00:57:23,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 318.53ms. Allocated memory is still 318.8MB. Free memory was 285.6MB in the beginning and 267.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.39ms. Allocated memory is still 318.8MB. Free memory was 267.8MB in the beginning and 264.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 770.65ms. Allocated memory is still 318.8MB. Free memory was 264.7MB in the beginning and 208.5MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1811.01ms. Allocated memory is still 318.8MB. Free memory was 208.0MB in the beginning and 239.4MB in the end (delta: -31.4MB). There was no memory consumed. 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 37 procedures, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 793 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 479 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 314 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 159 PreInvPairs, 173 NumberOfFragments, 355 HoareAnnotationTreeSize, 159 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 616 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((!(\old(methaneLevelCritical) == 0) || !(pumpRunning == 0)) || !(\old(systemActive) == 1)) || (splverifierCounter == 0 && 1 == systemActive) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (!(\old(methaneLevelCritical) == 0) || !(pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 00:57:23,803 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...