/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:59:06,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:59:06,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:59:06,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:59:06,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:59:06,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:59:06,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:59:06,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:59:06,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:59:06,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:59:06,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:59:06,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:59:06,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:59:06,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:59:06,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:59:06,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:59:06,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:59:06,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:59:06,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:59:06,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:59:06,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:59:06,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:59:06,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:59:06,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:59:06,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:59:06,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:59:06,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:59:06,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:59:06,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:59:06,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:59:06,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:59:06,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:59:06,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:59:06,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:59:06,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:59:06,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:59:06,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:59:06,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:59:06,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:59:06,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:59:06,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:59:06,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:59:06,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:59:06,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:59:06,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:59:06,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:59:06,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:59:06,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:59:06,538 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:59:06,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:59:06,539 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:59:06,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:59:06,539 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:59:06,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:59:06,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:59:06,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:59:06,543 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:59:06,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:59:06,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:59:06,543 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:59:06,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:59:06,544 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:59:06,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:59:06,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:59:06,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:59:06,546 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:59:06,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:59:06,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:59:06,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:59:06,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:06,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:59:06,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:59:06,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:59:06,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:59:06,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:59:06,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:59:06,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:59:06,819 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:59:06,819 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:59:06,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-03-31 23:59:07,976 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:59:08,239 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:59:08,240 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-03-31 23:59:08,251 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596dbb299/9d3ae25bc8df46f59c95b5a21e0a3b3b/FLAG5a5b85ae1 [2023-03-31 23:59:08,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596dbb299/9d3ae25bc8df46f59c95b5a21e0a3b3b [2023-03-31 23:59:08,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:59:08,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:59:08,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:08,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:59:08,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:59:08,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea13689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08, skipping insertion in model container [2023-03-31 23:59:08,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:59:08,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:59:08,529 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_spec5_product44.cil.c[18005,18018] [2023-03-31 23:59:08,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:08,544 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:59:08,594 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_spec5_product44.cil.c[18005,18018] [2023-03-31 23:59:08,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:08,618 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:59:08,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08 WrapperNode [2023-03-31 23:59:08,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:08,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:59:08,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:59:08,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:59:08,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:59:08,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:59:08,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:59:08,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:59:08,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (1/1) ... [2023-03-31 23:59:08,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:08,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:08,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:59:08,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:59:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:59:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:59:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:59:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:59:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:59:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:59:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:59:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:59:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:59:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:59:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:59:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:59:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:59:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:59:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:59:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:59:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:59:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:59:08,926 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:59:08,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:59:09,486 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:59:09,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:59:09,609 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:59:09,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:09 BoogieIcfgContainer [2023-03-31 23:59:09,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:59:09,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:59:09,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:59:09,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:59:09,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:59:08" (1/3) ... [2023-03-31 23:59:09,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c880326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:09, skipping insertion in model container [2023-03-31 23:59:09,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:08" (2/3) ... [2023-03-31 23:59:09,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c880326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:09, skipping insertion in model container [2023-03-31 23:59:09,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:09" (3/3) ... [2023-03-31 23:59:09,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2023-03-31 23:59:09,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:59:09,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:59:09,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:59:09,713 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;@227deda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:59:09,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:59:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 84 states have internal predecessors, (89), 49 states have call successors, (49), 32 states have call predecessors, (49), 32 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2023-03-31 23:59:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 23:59:09,734 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:09,734 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:09,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:09,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:09,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1395689575, now seen corresponding path program 1 times [2023-03-31 23:59:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:09,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307610266] [2023-03-31 23:59:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:10,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:10,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307610266] [2023-03-31 23:59:10,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307610266] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:10,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:10,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:59:10,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449179300] [2023-03-31 23:59:10,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:10,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:59:10,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:10,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:59:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:10,097 INFO L87 Difference]: Start difference. First operand has 154 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 84 states have internal predecessors, (89), 49 states have call successors, (49), 32 states have call predecessors, (49), 32 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:10,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:10,190 INFO L93 Difference]: Finished difference Result 238 states and 285 transitions. [2023-03-31 23:59:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:59:10,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-03-31 23:59:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:10,200 INFO L225 Difference]: With dead ends: 238 [2023-03-31 23:59:10,200 INFO L226 Difference]: Without dead ends: 121 [2023-03-31 23:59:10,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:10,212 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:10,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:59:10,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-03-31 23:59:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-03-31 23:59:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 72 states have internal predecessors, (75), 34 states have call successors, (34), 30 states have call predecessors, (34), 25 states have return successors, (29), 26 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 23:59:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2023-03-31 23:59:10,253 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2023-03-31 23:59:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:10,253 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2023-03-31 23:59:10,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-03-31 23:59:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 23:59:10,256 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:10,257 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:10,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:59:10,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:10,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:10,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1801272013, now seen corresponding path program 1 times [2023-03-31 23:59:10,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:10,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143084444] [2023-03-31 23:59:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:10,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:10,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:10,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143084444] [2023-03-31 23:59:10,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143084444] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:10,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:10,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:59:10,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087606670] [2023-03-31 23:59:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:10,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:59:10,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:10,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:59:10,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:10,382 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:10,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:10,426 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2023-03-31 23:59:10,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:59:10,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-03-31 23:59:10,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:10,429 INFO L225 Difference]: With dead ends: 184 [2023-03-31 23:59:10,429 INFO L226 Difference]: Without dead ends: 113 [2023-03-31 23:59:10,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:10,431 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:10,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-03-31 23:59:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-03-31 23:59:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 67 states have internal predecessors, (69), 31 states have call successors, (31), 29 states have call predecessors, (31), 25 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-03-31 23:59:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2023-03-31 23:59:10,444 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 53 [2023-03-31 23:59:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:10,444 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2023-03-31 23:59:10,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2023-03-31 23:59:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 23:59:10,446 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:10,447 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:10,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:59:10,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:10,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:10,448 INFO L85 PathProgramCache]: Analyzing trace with hash 578921411, now seen corresponding path program 1 times [2023-03-31 23:59:10,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:10,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346180626] [2023-03-31 23:59:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:10,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346180626] [2023-03-31 23:59:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346180626] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:10,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:10,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:10,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367526216] [2023-03-31 23:59:10,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:10,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:10,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:10,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:10,745 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:11,055 INFO L93 Difference]: Finished difference Result 339 states and 398 transitions. [2023-03-31 23:59:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:59:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-03-31 23:59:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:11,064 INFO L225 Difference]: With dead ends: 339 [2023-03-31 23:59:11,064 INFO L226 Difference]: Without dead ends: 251 [2023-03-31 23:59:11,070 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 [2023-03-31 23:59:11,073 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 200 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:11,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 520 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:59:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-03-31 23:59:11,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 229. [2023-03-31 23:59:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 140 states have internal predecessors, (153), 58 states have call successors, (58), 53 states have call predecessors, (58), 49 states have return successors, (55), 50 states have call predecessors, (55), 54 states have call successors, (55) [2023-03-31 23:59:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 266 transitions. [2023-03-31 23:59:11,122 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 266 transitions. Word has length 57 [2023-03-31 23:59:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:11,126 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 266 transitions. [2023-03-31 23:59:11,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 266 transitions. [2023-03-31 23:59:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 23:59:11,131 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:11,131 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:11,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:59:11,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:11,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1067965089, now seen corresponding path program 1 times [2023-03-31 23:59:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:11,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814808690] [2023-03-31 23:59:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 23:59:11,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:11,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814808690] [2023-03-31 23:59:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814808690] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:11,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:11,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:11,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605974968] [2023-03-31 23:59:11,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:11,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:11,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:11,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:11,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:11,375 INFO L87 Difference]: Start difference. First operand 229 states and 266 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 23:59:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:11,749 INFO L93 Difference]: Finished difference Result 583 states and 731 transitions. [2023-03-31 23:59:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 23:59:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-03-31 23:59:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:11,753 INFO L225 Difference]: With dead ends: 583 [2023-03-31 23:59:11,753 INFO L226 Difference]: Without dead ends: 379 [2023-03-31 23:59:11,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-03-31 23:59:11,755 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 143 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:11,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 252 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-03-31 23:59:11,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 334. [2023-03-31 23:59:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 180 states have (on average 1.2166666666666666) internal successors, (219), 199 states have internal predecessors, (219), 79 states have call successors, (79), 72 states have call predecessors, (79), 74 states have return successors, (92), 76 states have call predecessors, (92), 75 states have call successors, (92) [2023-03-31 23:59:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 390 transitions. [2023-03-31 23:59:11,795 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 390 transitions. Word has length 61 [2023-03-31 23:59:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:11,795 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 390 transitions. [2023-03-31 23:59:11,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 23:59:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 390 transitions. [2023-03-31 23:59:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-03-31 23:59:11,799 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:11,799 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:11,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:59:11,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:11,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1712402794, now seen corresponding path program 1 times [2023-03-31 23:59:11,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:11,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121595348] [2023-03-31 23:59:11,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:12,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:12,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121595348] [2023-03-31 23:59:12,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121595348] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:12,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:12,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 23:59:12,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790417181] [2023-03-31 23:59:12,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:12,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 23:59:12,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:12,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 23:59:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:59:12,109 INFO L87 Difference]: Start difference. First operand 334 states and 390 transitions. Second operand has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-03-31 23:59:12,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:12,592 INFO L93 Difference]: Finished difference Result 1027 states and 1239 transitions. [2023-03-31 23:59:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 23:59:12,593 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) Word has length 87 [2023-03-31 23:59:12,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:12,598 INFO L225 Difference]: With dead ends: 1027 [2023-03-31 23:59:12,598 INFO L226 Difference]: Without dead ends: 718 [2023-03-31 23:59:12,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:12,601 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 212 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:12,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 698 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:12,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-03-31 23:59:12,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 540. [2023-03-31 23:59:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 303 states have (on average 1.2277227722772277) internal successors, (372), 330 states have internal predecessors, (372), 123 states have call successors, (123), 113 states have call predecessors, (123), 113 states have return successors, (141), 118 states have call predecessors, (141), 119 states have call successors, (141) [2023-03-31 23:59:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 636 transitions. [2023-03-31 23:59:12,670 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 636 transitions. Word has length 87 [2023-03-31 23:59:12,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:12,670 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 636 transitions. [2023-03-31 23:59:12,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-03-31 23:59:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 636 transitions. [2023-03-31 23:59:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-03-31 23:59:12,674 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:12,675 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:12,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:59:12,675 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:12,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash 232011679, now seen corresponding path program 1 times [2023-03-31 23:59:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:12,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334061995] [2023-03-31 23:59:12,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:12,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:12,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:12,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334061995] [2023-03-31 23:59:12,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334061995] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:12,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:12,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 23:59:12,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360390718] [2023-03-31 23:59:12,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:12,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 23:59:12,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:12,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 23:59:12,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:59:12,944 INFO L87 Difference]: Start difference. First operand 540 states and 636 transitions. Second operand has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-03-31 23:59:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:13,552 INFO L93 Difference]: Finished difference Result 1638 states and 1994 transitions. [2023-03-31 23:59:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:59:13,552 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 90 [2023-03-31 23:59:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:13,559 INFO L225 Difference]: With dead ends: 1638 [2023-03-31 23:59:13,559 INFO L226 Difference]: Without dead ends: 1266 [2023-03-31 23:59:13,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:13,561 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 252 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:13,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 589 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 23:59:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2023-03-31 23:59:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1177. [2023-03-31 23:59:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 657 states have (on average 1.2283105022831051) internal successors, (807), 716 states have internal predecessors, (807), 264 states have call successors, (264), 239 states have call predecessors, (264), 255 states have return successors, (336), 267 states have call predecessors, (336), 260 states have call successors, (336) [2023-03-31 23:59:13,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1407 transitions. [2023-03-31 23:59:13,672 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1407 transitions. Word has length 90 [2023-03-31 23:59:13,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:13,672 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1407 transitions. [2023-03-31 23:59:13,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-03-31 23:59:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1407 transitions. [2023-03-31 23:59:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-03-31 23:59:13,675 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:13,675 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:13,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:59:13,675 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:13,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:13,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1435688920, now seen corresponding path program 1 times [2023-03-31 23:59:13,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:13,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571603649] [2023-03-31 23:59:13,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 23:59:13,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:13,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571603649] [2023-03-31 23:59:13,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571603649] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894886837] [2023-03-31 23:59:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:13,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:59:13,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:59:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:14,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 23:59:14,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:59:14,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 23:59:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894886837] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1898529900] [2023-03-31 23:59:14,660 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-03-31 23:59:14,660 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:14,665 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:14,702 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:14,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:14,992 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:15,033 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:15,299 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:15,352 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:16,182 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 29 for LOIs [2023-03-31 23:59:16,188 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-03-31 23:59:16,292 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:16,297 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:16,412 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:16,437 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:16,443 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:16,498 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-03-31 23:59:16,556 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-03-31 23:59:16,561 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:16,564 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 29 for LOIs [2023-03-31 23:59:16,566 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:16,568 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:16,570 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:16,617 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:16,621 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:16,623 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-03-31 23:59:16,637 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-03-31 23:59:16,643 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:16,646 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:16,649 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:16,651 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:20,386 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10351#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:20,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:20,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:20,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-03-31 23:59:20,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301326842] [2023-03-31 23:59:20,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:20,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 23:59:20,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:20,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 23:59:20,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=4674, Unknown=0, NotChecked=0, Total=5112 [2023-03-31 23:59:20,395 INFO L87 Difference]: Start difference. First operand 1177 states and 1407 transitions. Second operand has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-03-31 23:59:21,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:21,685 INFO L93 Difference]: Finished difference Result 2550 states and 3173 transitions. [2023-03-31 23:59:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-03-31 23:59:21,686 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) Word has length 129 [2023-03-31 23:59:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:21,693 INFO L225 Difference]: With dead ends: 2550 [2023-03-31 23:59:21,694 INFO L226 Difference]: Without dead ends: 1541 [2023-03-31 23:59:21,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 321 SyntacticMatches, 12 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3757 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=679, Invalid=8441, Unknown=0, NotChecked=0, Total=9120 [2023-03-31 23:59:21,700 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 346 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:21,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1607 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 23:59:21,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2023-03-31 23:59:21,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1310. [2023-03-31 23:59:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 730 states have (on average 1.2178082191780821) internal successors, (889), 809 states have internal predecessors, (889), 300 states have call successors, (300), 283 states have call predecessors, (300), 279 states have return successors, (338), 273 states have call predecessors, (338), 296 states have call successors, (338) [2023-03-31 23:59:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1527 transitions. [2023-03-31 23:59:21,795 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1527 transitions. Word has length 129 [2023-03-31 23:59:21,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:21,796 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 1527 transitions. [2023-03-31 23:59:21,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-03-31 23:59:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1527 transitions. [2023-03-31 23:59:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 23:59:21,802 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:21,803 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:21,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:22,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:22,010 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:22,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash -453074813, now seen corresponding path program 1 times [2023-03-31 23:59:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:22,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842404711] [2023-03-31 23:59:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-03-31 23:59:22,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:22,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842404711] [2023-03-31 23:59:22,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842404711] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:22,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:22,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:59:22,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348687087] [2023-03-31 23:59:22,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:22,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:59:22,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:22,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:59:22,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:22,079 INFO L87 Difference]: Start difference. First operand 1310 states and 1527 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-03-31 23:59:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:22,157 INFO L93 Difference]: Finished difference Result 2071 states and 2422 transitions. [2023-03-31 23:59:22,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:59:22,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 194 [2023-03-31 23:59:22,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:22,161 INFO L225 Difference]: With dead ends: 2071 [2023-03-31 23:59:22,162 INFO L226 Difference]: Without dead ends: 814 [2023-03-31 23:59:22,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:22,168 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 43 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:22,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 241 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2023-03-31 23:59:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 794. [2023-03-31 23:59:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 435 states have (on average 1.2045977011494253) internal successors, (524), 489 states have internal predecessors, (524), 188 states have call successors, (188), 178 states have call predecessors, (188), 170 states have return successors, (197), 166 states have call predecessors, (197), 184 states have call successors, (197) [2023-03-31 23:59:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 909 transitions. [2023-03-31 23:59:22,259 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 909 transitions. Word has length 194 [2023-03-31 23:59:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:22,260 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 909 transitions. [2023-03-31 23:59:22,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-03-31 23:59:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 909 transitions. [2023-03-31 23:59:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-03-31 23:59:22,263 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:22,264 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:22,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 23:59:22,264 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:22,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1586344770, now seen corresponding path program 1 times [2023-03-31 23:59:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:22,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144484911] [2023-03-31 23:59:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 13 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-03-31 23:59:22,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:22,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144484911] [2023-03-31 23:59:22,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144484911] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:22,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637762274] [2023-03-31 23:59:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:22,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:22,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:22,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:59:22,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 23:59:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:22,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 27 conjunts are in the unsatisfiable core [2023-03-31 23:59:22,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 133 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-03-31 23:59:22,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-03-31 23:59:23,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637762274] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:23,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1590528069] [2023-03-31 23:59:23,276 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-03-31 23:59:23,276 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:23,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:23,277 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:23,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:23,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:23,435 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:23,548 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:23,584 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:24,681 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 35 for LOIs [2023-03-31 23:59:24,706 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2023-03-31 23:59:24,710 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 29 for LOIs [2023-03-31 23:59:24,713 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 32 for LOIs [2023-03-31 23:59:24,716 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 33 for LOIs [2023-03-31 23:59:24,799 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:24,803 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:24,892 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 30 for LOIs [2023-03-31 23:59:24,912 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 30 for LOIs [2023-03-31 23:59:24,917 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:24,968 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-03-31 23:59:24,991 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-03-31 23:59:24,995 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:24,997 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 31 for LOIs [2023-03-31 23:59:24,999 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:25,001 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:25,002 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:25,039 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:25,042 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:25,044 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-03-31 23:59:25,065 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-03-31 23:59:25,067 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:25,069 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:25,072 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:25,073 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:29,094 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21366#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:29,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:29,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:29,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 15 [2023-03-31 23:59:29,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792573742] [2023-03-31 23:59:29,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:29,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-03-31 23:59:29,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:29,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-03-31 23:59:29,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=6163, Unknown=0, NotChecked=0, Total=6642 [2023-03-31 23:59:29,098 INFO L87 Difference]: Start difference. First operand 794 states and 909 transitions. Second operand has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) [2023-03-31 23:59:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:29,878 INFO L93 Difference]: Finished difference Result 2299 states and 2787 transitions. [2023-03-31 23:59:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-31 23:59:29,879 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) Word has length 224 [2023-03-31 23:59:29,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:29,889 INFO L225 Difference]: With dead ends: 2299 [2023-03-31 23:59:29,889 INFO L226 Difference]: Without dead ends: 1558 [2023-03-31 23:59:29,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 597 SyntacticMatches, 8 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3719 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=551, Invalid=7459, Unknown=0, NotChecked=0, Total=8010 [2023-03-31 23:59:29,896 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 138 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:29,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 364 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 23:59:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2023-03-31 23:59:30,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1177. [2023-03-31 23:59:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 651 states have (on average 1.1920122887864824) internal successors, (776), 730 states have internal predecessors, (776), 267 states have call successors, (267), 257 states have call predecessors, (267), 258 states have return successors, (313), 247 states have call predecessors, (313), 263 states have call successors, (313) [2023-03-31 23:59:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1356 transitions. [2023-03-31 23:59:30,007 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1356 transitions. Word has length 224 [2023-03-31 23:59:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:30,009 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1356 transitions. [2023-03-31 23:59:30,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) [2023-03-31 23:59:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1356 transitions. [2023-03-31 23:59:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-03-31 23:59:30,013 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:30,014 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:30,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:30,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-03-31 23:59:30,221 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:30,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:30,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1261691892, now seen corresponding path program 1 times [2023-03-31 23:59:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:30,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429017346] [2023-03-31 23:59:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 85 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-03-31 23:59:30,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429017346] [2023-03-31 23:59:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429017346] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340516893] [2023-03-31 23:59:30,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:30,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:30,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:59:30,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 23:59:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:30,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 10 conjunts are in the unsatisfiable core [2023-03-31 23:59:30,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 13 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-03-31 23:59:30,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 85 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-03-31 23:59:31,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340516893] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:31,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1121057802] [2023-03-31 23:59:31,413 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-03-31 23:59:31,413 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:31,414 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:31,414 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:31,414 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:31,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:31,531 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:31,633 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:31,667 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:32,578 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 35 for LOIs [2023-03-31 23:59:32,601 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2023-03-31 23:59:32,604 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 29 for LOIs [2023-03-31 23:59:32,608 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 32 for LOIs [2023-03-31 23:59:32,611 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 33 for LOIs [2023-03-31 23:59:32,715 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:32,718 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:32,801 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 30 for LOIs [2023-03-31 23:59:32,823 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 30 for LOIs [2023-03-31 23:59:32,829 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:32,878 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-03-31 23:59:32,899 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-03-31 23:59:32,905 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:32,907 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 31 for LOIs [2023-03-31 23:59:32,909 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:32,911 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:32,912 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:32,956 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:32,959 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:32,961 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-03-31 23:59:32,984 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-03-31 23:59:32,985 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:32,987 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:32,990 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:32,991 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:37,550 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '27823#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:37,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:37,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:37,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2023-03-31 23:59:37,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143404990] [2023-03-31 23:59:37,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:37,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-03-31 23:59:37,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:37,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-03-31 23:59:37,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=747, Invalid=7625, Unknown=0, NotChecked=0, Total=8372 [2023-03-31 23:59:37,556 INFO L87 Difference]: Start difference. First operand 1177 states and 1356 transitions. Second operand has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) [2023-03-31 23:59:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:38,587 INFO L93 Difference]: Finished difference Result 2081 states and 2402 transitions. [2023-03-31 23:59:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:59:38,588 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) Word has length 234 [2023-03-31 23:59:38,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:38,593 INFO L225 Difference]: With dead ends: 2081 [2023-03-31 23:59:38,593 INFO L226 Difference]: Without dead ends: 1135 [2023-03-31 23:59:38,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 622 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4927 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=920, Invalid=9792, Unknown=0, NotChecked=0, Total=10712 [2023-03-31 23:59:38,599 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 328 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:38,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 669 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 23:59:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2023-03-31 23:59:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1115. [2023-03-31 23:59:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 621 states have (on average 1.181964573268921) internal successors, (734), 690 states have internal predecessors, (734), 249 states have call successors, (249), 241 states have call predecessors, (249), 244 states have return successors, (287), 235 states have call predecessors, (287), 245 states have call successors, (287) [2023-03-31 23:59:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1270 transitions. [2023-03-31 23:59:38,679 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1270 transitions. Word has length 234 [2023-03-31 23:59:38,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:38,679 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1270 transitions. [2023-03-31 23:59:38,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) [2023-03-31 23:59:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1270 transitions. [2023-03-31 23:59:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-03-31 23:59:38,683 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:38,684 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:38,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:38,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:38,890 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:38,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1258801509, now seen corresponding path program 1 times [2023-03-31 23:59:38,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:38,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659571111] [2023-03-31 23:59:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:38,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 73 proven. 47 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-03-31 23:59:39,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:39,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659571111] [2023-03-31 23:59:39,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659571111] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:39,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708933755] [2023-03-31 23:59:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:39,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:39,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:39,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:59:39,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 23:59:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:40,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 42 conjunts are in the unsatisfiable core [2023-03-31 23:59:40,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 131 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-03-31 23:59:40,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 88 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-03-31 23:59:41,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708933755] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:41,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [607016508] [2023-03-31 23:59:41,697 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-03-31 23:59:41,697 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:41,697 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:41,697 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:41,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:41,843 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:41,878 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:41,974 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:42,007 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:42,905 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 35 for LOIs [2023-03-31 23:59:42,927 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2023-03-31 23:59:42,930 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 29 for LOIs [2023-03-31 23:59:42,933 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 32 for LOIs [2023-03-31 23:59:42,936 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 33 for LOIs [2023-03-31 23:59:43,019 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:43,022 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:43,107 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 30 for LOIs [2023-03-31 23:59:43,136 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 30 for LOIs [2023-03-31 23:59:43,140 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:43,181 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-03-31 23:59:43,202 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-03-31 23:59:43,205 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:43,207 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 31 for LOIs [2023-03-31 23:59:43,209 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:43,211 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:43,212 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:43,254 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:43,257 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:43,259 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-03-31 23:59:43,279 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-03-31 23:59:43,281 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:43,283 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:43,286 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:43,287 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:48,100 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '33892#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:48,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:48,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:48,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 38 [2023-03-31 23:59:48,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25840406] [2023-03-31 23:59:48,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:48,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-03-31 23:59:48,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:48,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-03-31 23:59:48,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=9970, Unknown=0, NotChecked=0, Total=10712 [2023-03-31 23:59:48,106 INFO L87 Difference]: Start difference. First operand 1115 states and 1270 transitions. Second operand has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) [2023-03-31 23:59:50,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:50,924 INFO L93 Difference]: Finished difference Result 2385 states and 2821 transitions. [2023-03-31 23:59:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-03-31 23:59:50,925 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) Word has length 235 [2023-03-31 23:59:50,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:50,926 INFO L225 Difference]: With dead ends: 2385 [2023-03-31 23:59:50,926 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:59:50,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 641 SyntacticMatches, 13 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11555 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=2252, Invalid=25804, Unknown=0, NotChecked=0, Total=28056 [2023-03-31 23:59:50,935 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 835 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 3890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:50,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 969 Invalid, 3890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 3112 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-03-31 23:59:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:59:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:59:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 23:59:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:59:50,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2023-03-31 23:59:50,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:50,937 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:59:50,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) [2023-03-31 23:59:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:59:50,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:59:50,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:59:50,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:51,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:51,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:59:57,657 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point L250(lines 227 251) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 238) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 203 258) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 203 258) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 228 249) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point L285-2(lines 285 310) no Hoare annotation was computed. [2023-03-31 23:59:57,658 INFO L899 garLoopResultBuilder]: For program point L311(lines 284 312) no Hoare annotation was computed. [2023-03-31 23:59:57,659 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 259 318) no Hoare annotation was computed. [2023-03-31 23:59:57,659 INFO L899 garLoopResultBuilder]: For program point L304(line 304) no Hoare annotation was computed. [2023-03-31 23:59:57,659 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2023-03-31 23:59:57,660 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 259 318) no Hoare annotation was computed. [2023-03-31 23:59:57,660 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 259 318) no Hoare annotation was computed. [2023-03-31 23:59:57,660 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2023-03-31 23:59:57,660 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 820 828) no Hoare annotation was computed. [2023-03-31 23:59:57,660 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 820 828) the Hoare annotation is: true [2023-03-31 23:59:57,660 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 904 926) no Hoare annotation was computed. [2023-03-31 23:59:57,661 INFO L895 garLoopResultBuilder]: At program point L916(line 916) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,661 INFO L895 garLoopResultBuilder]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,661 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2023-03-31 23:59:57,661 INFO L899 garLoopResultBuilder]: For program point L914-1(lines 914 921) no Hoare annotation was computed. [2023-03-31 23:59:57,661 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2023-03-31 23:59:57,661 INFO L895 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,662 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,662 INFO L895 garLoopResultBuilder]: At program point L910-1(line 910) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,662 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 904 926) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,662 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 861 884) no Hoare annotation was computed. [2023-03-31 23:59:57,662 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 861 884) no Hoare annotation was computed. [2023-03-31 23:59:57,662 INFO L899 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L877(line 877) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L875(line 875) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 861 884) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L872(line 872) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-03-31 23:59:57,663 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 698 712) no Hoare annotation was computed. [2023-03-31 23:59:57,664 INFO L895 garLoopResultBuilder]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or .cse0 .cse2 (<= ~waterLevel~0 1)) (or .cse2 .cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (or (not (= ~waterLevel~0 1)) .cse2 .cse4) (or .cse3 (= 1 ~systemActive~0) .cse1 .cse4))) [2023-03-31 23:59:57,664 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2023-03-31 23:59:57,666 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 698 712) the Hoare annotation is: (let ((.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (< 1 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 (and .cse4 .cse5)) (or .cse0 .cse2 .cse4 .cse6) (or .cse2 .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse2 .cse4 .cse8) (or .cse7 .cse5 .cse1 .cse3) (or .cse0 (not (= |old(~systemActive~0)| 0)) .cse2 .cse8 (= 0 ~systemActive~0)))) [2023-03-31 23:59:57,666 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 806 812) no Hoare annotation was computed. [2023-03-31 23:59:57,666 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 806 812) the Hoare annotation is: true [2023-03-31 23:59:57,666 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 470 515) no Hoare annotation was computed. [2023-03-31 23:59:57,666 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 470 515) no Hoare annotation was computed. [2023-03-31 23:59:57,666 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-03-31 23:59:57,666 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-03-31 23:59:57,666 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L895 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-03-31 23:59:57,667 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L895 garLoopResultBuilder]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (or (<= 2 ~waterLevel~0) (= 0 processEnvironment_~tmp~3))) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2023-03-31 23:59:57,667 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 723 790) no Hoare annotation was computed. [2023-03-31 23:59:57,667 INFO L895 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,668 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 790) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,668 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and .cse1 (= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse0 (<= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (and .cse1 .cse0 (= 1 ~systemActive~0) (= ~waterLevel~0 1)))) [2023-03-31 23:59:57,668 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2023-03-31 23:59:57,668 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 763 778) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3) (and .cse4 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)) (and .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse2 (= ~waterLevel~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse4 .cse5 .cse0 .cse2))) [2023-03-31 23:59:57,668 INFO L899 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2023-03-31 23:59:57,668 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse2 .cse4 (= ~switchedOnBeforeTS~0 1) .cse3) (and .cse0 .cse2 .cse4 (= ~switchedOnBeforeTS~0 0)) (and .cse0 .cse2 (= 1 ~systemActive~0) (= ~waterLevel~0 1)))) [2023-03-31 23:59:57,668 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L895 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse6))) [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L895 garLoopResultBuilder]: At program point L780(lines 733 782) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 (= ~waterLevel~0 1)))) [2023-03-31 23:59:57,669 INFO L895 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse8 (= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 .cse8) (and .cse1 .cse6 .cse8 .cse7) (and .cse0 .cse5 .cse1 .cse6))) [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 723 790) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-03-31 23:59:57,669 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:57,669 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 598 614) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 598 614) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L895 garLoopResultBuilder]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point L603-1(line 603) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 614) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:57,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 135) the Hoare annotation is: true [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L902 garLoopResultBuilder]: At program point L686(line 686) the Hoare annotation is: true [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point L686-1(line 686) no Hoare annotation was computed. [2023-03-31 23:59:57,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 679 697) the Hoare annotation is: true [2023-03-31 23:59:57,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-03-31 23:59:57,670 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-03-31 23:59:57,671 INFO L895 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~switchedOnBeforeTS~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse12 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse5)) .cse6)) (or .cse0 .cse7 .cse8) (or .cse7 .cse2 (and .cse9 (= 2 ~waterLevel~0) .cse10) .cse11) (or .cse7 (and .cse9 .cse12 .cse10) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse11 .cse8) (or .cse1 .cse7 .cse2 (< 2 |old(~waterLevel~0)|) (and .cse9 .cse5 .cse10)) (or .cse2 (and .cse4 .cse12 .cse6) .cse3 .cse11))) [2023-03-31 23:59:57,671 INFO L895 garLoopResultBuilder]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 0))) (let ((.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (and .cse12 .cse10 .cse14)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse12 .cse5 .cse14)) (.cse15 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse13 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse5)) .cse6)) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse6)) (or .cse0 .cse1 .cse7 .cse2 .cse11) (or .cse7 (and .cse12 .cse13 .cse14) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse8 .cse9 .cse15) (or .cse0 .cse7 .cse11 .cse15) (or .cse2 (and .cse4 .cse13 .cse6) .cse3 .cse9)))) [2023-03-31 23:59:57,671 INFO L895 garLoopResultBuilder]: At program point L538(line 538) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse4 (and (= 2 ~waterLevel~0) .cse2 .cse3) .cse5 .cse8) (or .cse6 .cse4 .cse8) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse6 .cse4))) [2023-03-31 23:59:57,671 INFO L899 garLoopResultBuilder]: For program point L536(lines 532 554) no Hoare annotation was computed. [2023-03-31 23:59:57,671 INFO L899 garLoopResultBuilder]: For program point L534(lines 532 554) no Hoare annotation was computed. [2023-03-31 23:59:57,671 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 529 555) no Hoare annotation was computed. [2023-03-31 23:59:57,671 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 529 555) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0))) (let ((.cse1 (and .cse4 .cse8)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (= ~switchedOnBeforeTS~0 0)) (.cse3 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse4 .cse5) .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse6 (and .cse4 (= ~waterLevel~0 1))) (or .cse0 .cse6 .cse1 .cse2) (or .cse6 .cse7 .cse2 (and .cse8 .cse9)) (or .cse10 .cse0 .cse6 .cse11 (and .cse4 .cse5 .cse12)) (or .cse10 (and (= ~switchedOnBeforeTS~0 1) .cse5 .cse9) .cse6 .cse7 .cse11) (or .cse10 .cse0 .cse11 .cse12 .cse3)))) [2023-03-31 23:59:57,672 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 529 555) no Hoare annotation was computed. [2023-03-31 23:59:57,672 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 831 860) no Hoare annotation was computed. [2023-03-31 23:59:57,672 INFO L902 garLoopResultBuilder]: At program point L856(lines 831 860) the Hoare annotation is: true [2023-03-31 23:59:57,672 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2023-03-31 23:59:57,672 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2023-03-31 23:59:57,672 INFO L902 garLoopResultBuilder]: At program point L845-1(lines 845 849) the Hoare annotation is: true [2023-03-31 23:59:57,672 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 860) the Hoare annotation is: true [2023-03-31 23:59:57,672 INFO L902 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: true [2023-03-31 23:59:57,673 INFO L902 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: true [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 713 720) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 713 720) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse2 (not (= ~pumpRunning~0 1)) .cse4) (or (< 2 ~waterLevel~0) (not (= |old(~systemActive~0)| 0)) .cse0 (<= ~waterLevel~0 1) (= 0 ~systemActive~0)))) [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 1 ~systemActive~0)))) (let ((.cse1 (and (or .cse0 .cse6) (or .cse6 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) (.cse5 (= 2 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~waterLevel~0 1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse4 .cse6 .cse9 .cse10) (or .cse5 .cse1 .cse2 .cse7) (or .cse4 .cse5 .cse9 .cse7 .cse11) (or .cse4 .cse0 .cse6 .cse3) (or .cse8 .cse6 .cse2 .cse9 .cse10) (or .cse8 .cse4 .cse9 .cse10 .cse11)))) [2023-03-31 23:59:57,673 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 928 935) the Hoare annotation is: true [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 928 935) no Hoare annotation was computed. [2023-03-31 23:59:57,673 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 813 819) the Hoare annotation is: true [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 813 819) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 938 945) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 945) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 946 955) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 946 955) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6) (or .cse0 .cse4 .cse5 .cse6 (not (= 0 ~systemActive~0))))) [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L962-1(line 962) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 956 984) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L895 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse6 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse1 .cse5 .cse6 .cse2) (or .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse2 .cse4))) [2023-03-31 23:59:57,674 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 956 984) the Hoare annotation is: true [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L895 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse5 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (and .cse5 (<= ~waterLevel~0 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 .cse2 (< 1 ~waterLevel~0) .cse6 .cse4) (or .cse2 (not (= 2 ~waterLevel~0)) .cse6)))) [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point L964-1(lines 956 984) no Hoare annotation was computed. [2023-03-31 23:59:57,674 INFO L902 garLoopResultBuilder]: At program point L962(line 962) the Hoare annotation is: true [2023-03-31 23:59:57,674 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point L673(line 673) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 643 678) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 157 202) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 157 202) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 893 903) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 893 903) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 893 903) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:57,675 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2023-03-31 23:59:57,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 633) the Hoare annotation is: true [2023-03-31 23:59:57,675 INFO L902 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: true [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 622) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 424 469) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 424 469) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 596) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 349) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L370-2(lines 370 390) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 321 423) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L391(lines 369 392) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 321 423) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 366) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L371(lines 370 390) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-03-31 23:59:57,676 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 321 423) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 408) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point L386(line 386) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 796 805) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 796 805) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 885 891) no Hoare annotation was computed. [2023-03-31 23:59:57,677 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 885 891) the Hoare annotation is: true [2023-03-31 23:59:57,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:57,678 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:57,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:59:57,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:59:57,684 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:57,685 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:59:57,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:59:57 BoogieIcfgContainer [2023-03-31 23:59:57,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:59:57,696 INFO L158 Benchmark]: Toolchain (without parser) took 49422.45ms. Allocated memory was 213.9MB in the beginning and 828.4MB in the end (delta: 614.5MB). Free memory was 156.0MB in the beginning and 658.1MB in the end (delta: -502.1MB). Peak memory consumption was 478.9MB. Max. memory is 8.0GB. [2023-03-31 23:59:57,696 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 213.9MB. Free memory is still 165.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:59:57,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.45ms. Allocated memory is still 213.9MB. Free memory was 155.8MB in the beginning and 137.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:59:57,697 INFO L158 Benchmark]: Boogie Preprocessor took 87.61ms. Allocated memory is still 213.9MB. Free memory was 137.3MB in the beginning and 133.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:59:57,697 INFO L158 Benchmark]: RCFGBuilder took 906.06ms. Allocated memory was 213.9MB in the beginning and 330.3MB in the end (delta: 116.4MB). Free memory was 133.8MB in the beginning and 241.5MB in the end (delta: -107.7MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2023-03-31 23:59:57,697 INFO L158 Benchmark]: TraceAbstraction took 48077.32ms. Allocated memory was 330.3MB in the beginning and 828.4MB in the end (delta: 498.1MB). Free memory was 241.0MB in the beginning and 658.1MB in the end (delta: -417.2MB). Peak memory consumption was 446.7MB. Max. memory is 8.0GB. [2023-03-31 23:59:57,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 213.9MB. Free memory is still 165.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 341.45ms. Allocated memory is still 213.9MB. Free memory was 155.8MB in the beginning and 137.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.61ms. Allocated memory is still 213.9MB. Free memory was 137.3MB in the beginning and 133.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 906.06ms. Allocated memory was 213.9MB in the beginning and 330.3MB in the end (delta: 116.4MB). Free memory was 133.8MB in the beginning and 241.5MB in the end (delta: -107.7MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * TraceAbstraction took 48077.32ms. Allocated memory was 330.3MB in the beginning and 828.4MB in the end (delta: 498.1MB). Free memory was 241.0MB in the beginning and 658.1MB in the end (delta: -417.2MB). Peak memory consumption was 446.7MB. 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: 932]: 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 43 procedures, 193 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.0s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2592 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2508 mSDsluCounter, 6239 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4938 mSDsCounter, 1556 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9125 IncrementalHoareTripleChecker+Invalid, 10681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1556 mSolverCounterUnsat, 1301 mSDtfsCounter, 9125 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2761 GetRequests, 2215 SyntacticMatches, 43 SemanticMatches, 503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24052 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=7, InterpolantAutomatonStates: 191, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 986 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3191 PreInvPairs, 3414 NumberOfFragments, 2567 HoareAnnotationTreeSize, 3191 FomulaSimplifications, 75418 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 32724 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2238 NumberOfCodeBlocks, 2238 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3041 ConstructedInterpolants, 0 QuantifiedInterpolants, 5232 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2901 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 1973/2231 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: 732]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 0 == systemActive) && switchedOnBeforeTS == 0)) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && switchedOnBeforeTS == 0)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == 0)) || !(\old(systemActive) == 1)) || ((((splverifierCounter == 0 && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 0)) || (((2 == waterLevel && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:59:57,720 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...