/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:07:50,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:07:50,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:07:50,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:07:50,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:07:50,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:07:50,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:07:50,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:07:50,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:07:50,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:07:50,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:07:50,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:07:50,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:07:50,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:07:50,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:07:50,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:07:50,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:07:50,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:07:50,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:07:50,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:07:50,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:07:50,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:07:50,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:07:50,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:07:50,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:07:50,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:07:50,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:07:50,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:07:50,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:07:50,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:07:50,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:07:50,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:07:50,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:07:50,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:07:50,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:07:50,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:07:50,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:07:50,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:07:50,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:07:50,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:07:50,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:07:50,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:07:50,773 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:07:50,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:07:50,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:07:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:07:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:07:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:07:50,775 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:07:50,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:07:50,775 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:07:50,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:07:50,776 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:07:50,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:07:50,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:07:50,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:07:50,777 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:07:50,777 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:07:50,777 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:07:50,777 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:07:50,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:07:50,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:07:50,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:07:50,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:07:50,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:07:50,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:07:51,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:07:51,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:07:51,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:07:51,046 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:07:51,047 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:07:51,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2023-04-03 01:07:52,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:07:52,419 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:07:52,420 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2023-04-03 01:07:52,445 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ceb3801/19cf9788cc7346fcaaa4a70c0879a24a/FLAG53ebba04e [2023-04-03 01:07:52,457 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ceb3801/19cf9788cc7346fcaaa4a70c0879a24a [2023-04-03 01:07:52,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:07:52,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:07:52,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:07:52,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:07:52,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:07:52,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f1b08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52, skipping insertion in model container [2023-04-03 01:07:52,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:07:52,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:07:52,679 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2023-04-03 01:07:52,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:07:52,840 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:07:52,854 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2023-04-03 01:07:52,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:07:52,923 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:07:52,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52 WrapperNode [2023-04-03 01:07:52,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:07:52,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:07:52,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:07:52,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:07:52,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:07:52,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:07:52,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:07:52,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:07:52,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (1/1) ... [2023-04-03 01:07:52,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:07:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:07:53,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:07:53,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:07:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:07:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:07:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:07:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:07:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:07:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:07:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:07:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:07:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:07:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:07:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:07:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:07:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:07:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:07:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:07:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:07:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:07:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:07:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:07:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:07:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:07:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:07:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:07:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:07:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:07:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:07:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:07:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:07:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:07:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:07:53,215 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:07:53,217 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:07:53,768 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:07:53,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:07:53,913 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:07:53,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:07:53 BoogieIcfgContainer [2023-04-03 01:07:53,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:07:53,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:07:53,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:07:53,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:07:53,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:07:52" (1/3) ... [2023-04-03 01:07:53,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90c4571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:07:53, skipping insertion in model container [2023-04-03 01:07:53,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:52" (2/3) ... [2023-04-03 01:07:53,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90c4571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:07:53, skipping insertion in model container [2023-04-03 01:07:53,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:07:53" (3/3) ... [2023-04-03 01:07:53,925 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2023-04-03 01:07:53,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:07:53,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:07:53,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:07:53,996 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;@12d3c65f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:07:53,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:07:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 90 states have internal predecessors, (94), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2023-04-03 01:07:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 01:07:54,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:54,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:54,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:54,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:54,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2038164047, now seen corresponding path program 1 times [2023-04-03 01:07:54,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:54,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428681475] [2023-04-03 01:07:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:54,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:54,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:54,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428681475] [2023-04-03 01:07:54,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428681475] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:54,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:54,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:07:54,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975567900] [2023-04-03 01:07:54,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:54,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:07:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:54,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:07:54,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:07:54,307 INFO L87 Difference]: Start difference. First operand has 162 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 90 states have internal predecessors, (94), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:54,405 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2023-04-03 01:07:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:07:54,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:07:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:54,419 INFO L225 Difference]: With dead ends: 257 [2023-04-03 01:07:54,419 INFO L226 Difference]: Without dead ends: 129 [2023-04-03 01:07:54,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:07:54,427 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:54,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:07:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-04-03 01:07:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-04-03 01:07:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 78 states have internal predecessors, (80), 37 states have call successors, (37), 30 states have call predecessors, (37), 25 states have return successors, (32), 26 states have call predecessors, (32), 32 states have call successors, (32) [2023-04-03 01:07:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2023-04-03 01:07:54,485 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 42 [2023-04-03 01:07:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:54,487 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2023-04-03 01:07:54,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2023-04-03 01:07:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:07:54,493 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:54,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:54,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:07:54,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:54,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1053675106, now seen corresponding path program 1 times [2023-04-03 01:07:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609624470] [2023-04-03 01:07:54,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:54,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:54,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609624470] [2023-04-03 01:07:54,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609624470] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:54,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:54,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:07:54,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452655347] [2023-04-03 01:07:54,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:54,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:07:54,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:07:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:07:54,633 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:54,703 INFO L93 Difference]: Finished difference Result 215 states and 249 transitions. [2023-04-03 01:07:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:07:54,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:07:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:54,707 INFO L225 Difference]: With dead ends: 215 [2023-04-03 01:07:54,707 INFO L226 Difference]: Without dead ends: 121 [2023-04-03 01:07:54,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:07:54,715 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 7 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:54,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 232 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:07:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-04-03 01:07:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-04-03 01:07:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 73 states have internal predecessors, (74), 34 states have call successors, (34), 29 states have call predecessors, (34), 25 states have return successors, (30), 24 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:07:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2023-04-03 01:07:54,736 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 43 [2023-04-03 01:07:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:54,737 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2023-04-03 01:07:54,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-04-03 01:07:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-04-03 01:07:54,743 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:54,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:54,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:07:54,743 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:54,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:54,744 INFO L85 PathProgramCache]: Analyzing trace with hash -649202777, now seen corresponding path program 1 times [2023-04-03 01:07:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:54,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083408585] [2023-04-03 01:07:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:54,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:54,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083408585] [2023-04-03 01:07:54,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083408585] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:54,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:54,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:07:54,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495702594] [2023-04-03 01:07:54,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:54,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:07:54,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:54,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:07:54,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:07:54,922 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:07:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:55,153 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2023-04-03 01:07:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:07:55,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 45 [2023-04-03 01:07:55,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:55,159 INFO L225 Difference]: With dead ends: 220 [2023-04-03 01:07:55,159 INFO L226 Difference]: Without dead ends: 121 [2023-04-03 01:07:55,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:07:55,166 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 190 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:55,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 339 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:07:55,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-04-03 01:07:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-04-03 01:07:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 72 states have internal predecessors, (73), 34 states have call successors, (34), 29 states have call predecessors, (34), 25 states have return successors, (30), 24 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:07:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2023-04-03 01:07:55,180 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 45 [2023-04-03 01:07:55,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:55,180 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2023-04-03 01:07:55,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:07:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2023-04-03 01:07:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-04-03 01:07:55,185 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:55,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:55,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:07:55,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:55,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash 945462587, now seen corresponding path program 1 times [2023-04-03 01:07:55,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:55,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872402980] [2023-04-03 01:07:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:55,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:55,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:55,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872402980] [2023-04-03 01:07:55,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872402980] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:55,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:55,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:07:55,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362220499] [2023-04-03 01:07:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:55,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:07:55,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:07:55,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:07:55,404 INFO L87 Difference]: Start difference. First operand 121 states and 137 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-03 01:07:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:55,739 INFO L93 Difference]: Finished difference Result 318 states and 372 transitions. [2023-04-03 01:07:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:07:55,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 62 [2023-04-03 01:07:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:55,743 INFO L225 Difference]: With dead ends: 318 [2023-04-03 01:07:55,743 INFO L226 Difference]: Without dead ends: 219 [2023-04-03 01:07:55,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:07:55,749 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 183 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:55,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 163 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:07:55,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-04-03 01:07:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 204. [2023-04-03 01:07:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 118 states have internal predecessors, (124), 46 states have call successors, (46), 44 states have call predecessors, (46), 48 states have return successors, (52), 46 states have call predecessors, (52), 42 states have call successors, (52) [2023-04-03 01:07:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 222 transitions. [2023-04-03 01:07:55,793 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 222 transitions. Word has length 62 [2023-04-03 01:07:55,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:55,794 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 222 transitions. [2023-04-03 01:07:55,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-03 01:07:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 222 transitions. [2023-04-03 01:07:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:07:55,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:55,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:55,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:07:55,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:55,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:55,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1363231562, now seen corresponding path program 1 times [2023-04-03 01:07:55,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:55,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476530279] [2023-04-03 01:07:55,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:55,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:55,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:55,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476530279] [2023-04-03 01:07:55,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476530279] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:55,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:55,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:07:55,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856322873] [2023-04-03 01:07:55,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:55,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:07:55,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:55,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:07:55,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:07:55,975 INFO L87 Difference]: Start difference. First operand 204 states and 222 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:07:56,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:56,112 INFO L93 Difference]: Finished difference Result 494 states and 553 transitions. [2023-04-03 01:07:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:07:56,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-03 01:07:56,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:56,117 INFO L225 Difference]: With dead ends: 494 [2023-04-03 01:07:56,117 INFO L226 Difference]: Without dead ends: 312 [2023-04-03 01:07:56,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:07:56,119 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 70 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:56,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 528 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:07:56,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-04-03 01:07:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 300. [2023-04-03 01:07:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 165 states have (on average 1.1333333333333333) internal successors, (187), 177 states have internal predecessors, (187), 64 states have call successors, (64), 62 states have call predecessors, (64), 70 states have return successors, (78), 67 states have call predecessors, (78), 60 states have call successors, (78) [2023-04-03 01:07:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 329 transitions. [2023-04-03 01:07:56,150 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 329 transitions. Word has length 72 [2023-04-03 01:07:56,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:56,150 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 329 transitions. [2023-04-03 01:07:56,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:07:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 329 transitions. [2023-04-03 01:07:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-03 01:07:56,152 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:56,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:56,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:07:56,152 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:56,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1535254316, now seen corresponding path program 1 times [2023-04-03 01:07:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610295431] [2023-04-03 01:07:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:56,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:56,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610295431] [2023-04-03 01:07:56,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610295431] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:56,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:56,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:07:56,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397310253] [2023-04-03 01:07:56,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:56,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:07:56,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:07:56,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:07:56,333 INFO L87 Difference]: Start difference. First operand 300 states and 329 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:07:56,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:56,650 INFO L93 Difference]: Finished difference Result 326 states and 366 transitions. [2023-04-03 01:07:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:07:56,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 75 [2023-04-03 01:07:56,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:56,653 INFO L225 Difference]: With dead ends: 326 [2023-04-03 01:07:56,653 INFO L226 Difference]: Without dead ends: 323 [2023-04-03 01:07:56,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:07:56,654 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:56,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 285 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:07:56,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-04-03 01:07:56,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 300. [2023-04-03 01:07:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 165 states have (on average 1.1272727272727272) internal successors, (186), 177 states have internal predecessors, (186), 64 states have call successors, (64), 62 states have call predecessors, (64), 70 states have return successors, (78), 67 states have call predecessors, (78), 60 states have call successors, (78) [2023-04-03 01:07:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 328 transitions. [2023-04-03 01:07:56,687 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 328 transitions. Word has length 75 [2023-04-03 01:07:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:56,689 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 328 transitions. [2023-04-03 01:07:56,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:07:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 328 transitions. [2023-04-03 01:07:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-03 01:07:56,690 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:56,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:56,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:07:56,690 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:56,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash 462445760, now seen corresponding path program 1 times [2023-04-03 01:07:56,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:56,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225392620] [2023-04-03 01:07:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:56,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:56,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:56,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225392620] [2023-04-03 01:07:56,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225392620] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:56,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:56,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:07:57,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375354728] [2023-04-03 01:07:57,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:57,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:07:57,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:57,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:07:57,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:07:57,008 INFO L87 Difference]: Start difference. First operand 300 states and 328 transitions. Second operand has 14 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 01:07:57,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:57,261 INFO L93 Difference]: Finished difference Result 548 states and 626 transitions. [2023-04-03 01:07:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:07:57,261 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 3 states have call successors, (17) Word has length 88 [2023-04-03 01:07:57,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:57,263 INFO L225 Difference]: With dead ends: 548 [2023-04-03 01:07:57,263 INFO L226 Difference]: Without dead ends: 366 [2023-04-03 01:07:57,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:07:57,264 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 131 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:57,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1167 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:07:57,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-04-03 01:07:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2023-04-03 01:07:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 200 states have (on average 1.125) internal successors, (225), 213 states have internal predecessors, (225), 75 states have call successors, (75), 73 states have call predecessors, (75), 80 states have return successors, (101), 78 states have call predecessors, (101), 71 states have call successors, (101) [2023-04-03 01:07:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 401 transitions. [2023-04-03 01:07:57,291 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 401 transitions. Word has length 88 [2023-04-03 01:07:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:57,291 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 401 transitions. [2023-04-03 01:07:57,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 01:07:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 401 transitions. [2023-04-03 01:07:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-03 01:07:57,293 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:57,294 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:57,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:07:57,294 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:57,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash 41186997, now seen corresponding path program 1 times [2023-04-03 01:07:57,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:57,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722550934] [2023-04-03 01:07:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-04-03 01:07:57,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:57,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722550934] [2023-04-03 01:07:57,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722550934] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:07:57,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772627869] [2023-04-03 01:07:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:57,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:07:57,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:07:57,838 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) [2023-04-03 01:07:57,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:07:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:58,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 51 conjunts are in the unsatisfiable core [2023-04-03 01:07:58,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:07:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 01:07:58,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:07:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:07:59,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772627869] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:07:59,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1838885134] [2023-04-03 01:07:59,544 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2023-04-03 01:07:59,545 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:07:59,548 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:07:59,552 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:07:59,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:07:59,728 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:07:59,767 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:07:59,925 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:07:59,934 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:03,428 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 75 for LOIs [2023-04-03 01:08:03,469 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:08:03,613 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 42 for LOIs [2023-04-03 01:08:03,620 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 23 for LOIs [2023-04-03 01:08:03,718 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 27 for LOIs [2023-04-03 01:08:03,825 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:08:03,958 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 22 for LOIs [2023-04-03 01:08:04,026 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 22 for LOIs [2023-04-03 01:08:04,030 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 34 for LOIs [2023-04-03 01:08:04,085 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 20 for LOIs [2023-04-03 01:08:04,097 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 20 for LOIs [2023-04-03 01:08:04,099 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 24 for LOIs [2023-04-03 01:08:04,101 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 23 for LOIs [2023-04-03 01:08:04,102 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 23 for LOIs [2023-04-03 01:08:04,154 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 23 for LOIs [2023-04-03 01:08:04,157 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:04,159 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:04,160 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-04-03 01:08:04,195 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-04-03 01:08:04,197 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-04-03 01:08:04,199 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 20 for LOIs [2023-04-03 01:08:04,200 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:04,203 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:04,204 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:08:08,491 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6851#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:08:08,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:08:08,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:08:08,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 17] total 36 [2023-04-03 01:08:08,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915192217] [2023-04-03 01:08:08,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:08:08,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:08:08,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:08:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=661, Invalid=8081, Unknown=0, NotChecked=0, Total=8742 [2023-04-03 01:08:08,496 INFO L87 Difference]: Start difference. First operand 356 states and 401 transitions. Second operand has 36 states, 25 states have (on average 5.84) internal successors, (146), 29 states have internal predecessors, (146), 11 states have call successors, (68), 12 states have call predecessors, (68), 18 states have return successors, (60), 18 states have call predecessors, (60), 11 states have call successors, (60) [2023-04-03 01:08:12,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:12,614 INFO L93 Difference]: Finished difference Result 1990 states and 2773 transitions. [2023-04-03 01:08:12,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-04-03 01:08:12,615 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 25 states have (on average 5.84) internal successors, (146), 29 states have internal predecessors, (146), 11 states have call successors, (68), 12 states have call predecessors, (68), 18 states have return successors, (60), 18 states have call predecessors, (60), 11 states have call successors, (60) Word has length 147 [2023-04-03 01:08:12,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:12,631 INFO L225 Difference]: With dead ends: 1990 [2023-04-03 01:08:12,631 INFO L226 Difference]: Without dead ends: 1746 [2023-04-03 01:08:12,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 361 SyntacticMatches, 11 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8787 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1704, Invalid=18888, Unknown=0, NotChecked=0, Total=20592 [2023-04-03 01:08:12,637 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 1529 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 4143 mSolverCounterSat, 1314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 5457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1314 IncrementalHoareTripleChecker+Valid, 4143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:12,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 1036 Invalid, 5457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1314 Valid, 4143 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 01:08:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2023-04-03 01:08:12,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1134. [2023-04-03 01:08:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 637 states have (on average 1.1161695447409734) internal successors, (711), 679 states have internal predecessors, (711), 233 states have call successors, (233), 222 states have call predecessors, (233), 263 states have return successors, (354), 256 states have call predecessors, (354), 229 states have call successors, (354) [2023-04-03 01:08:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1298 transitions. [2023-04-03 01:08:12,761 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1298 transitions. Word has length 147 [2023-04-03 01:08:12,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:12,761 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1298 transitions. [2023-04-03 01:08:12,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 25 states have (on average 5.84) internal successors, (146), 29 states have internal predecessors, (146), 11 states have call successors, (68), 12 states have call predecessors, (68), 18 states have return successors, (60), 18 states have call predecessors, (60), 11 states have call successors, (60) [2023-04-03 01:08:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1298 transitions. [2023-04-03 01:08:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-03 01:08:12,763 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:12,764 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:12,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:08:12,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:12,974 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:12,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash -232631509, now seen corresponding path program 1 times [2023-04-03 01:08:12,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:12,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992649314] [2023-04-03 01:08:12,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:12,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 01:08:13,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:13,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992649314] [2023-04-03 01:08:13,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992649314] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:13,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54139277] [2023-04-03 01:08:13,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:13,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:13,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:13,385 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) [2023-04-03 01:08:13,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:08:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:13,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 27 conjunts are in the unsatisfiable core [2023-04-03 01:08:13,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:08:13,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:08:13,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54139277] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:08:13,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:08:13,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 24 [2023-04-03 01:08:13,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110117561] [2023-04-03 01:08:13,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:08:13,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:08:13,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:13,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:08:13,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2023-04-03 01:08:13,987 INFO L87 Difference]: Start difference. First operand 1134 states and 1298 transitions. Second operand has 12 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 7 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (28), 6 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-03 01:08:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:15,135 INFO L93 Difference]: Finished difference Result 2462 states and 2919 transitions. [2023-04-03 01:08:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 01:08:15,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 7 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (28), 6 states have call predecessors, (28), 7 states have call successors, (28) Word has length 144 [2023-04-03 01:08:15,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:15,142 INFO L225 Difference]: With dead ends: 2462 [2023-04-03 01:08:15,142 INFO L226 Difference]: Without dead ends: 1348 [2023-04-03 01:08:15,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=244, Invalid=1316, Unknown=0, NotChecked=0, Total=1560 [2023-04-03 01:08:15,145 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 257 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:15,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 211 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:08:15,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2023-04-03 01:08:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1333. [2023-04-03 01:08:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 767 states have (on average 1.104302477183833) internal successors, (847), 807 states have internal predecessors, (847), 279 states have call successors, (279), 272 states have call predecessors, (279), 286 states have return successors, (406), 284 states have call predecessors, (406), 275 states have call successors, (406) [2023-04-03 01:08:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1532 transitions. [2023-04-03 01:08:15,251 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1532 transitions. Word has length 144 [2023-04-03 01:08:15,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:15,251 INFO L495 AbstractCegarLoop]: Abstraction has 1333 states and 1532 transitions. [2023-04-03 01:08:15,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 7 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (28), 6 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-03 01:08:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1532 transitions. [2023-04-03 01:08:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-03 01:08:15,254 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:15,255 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:15,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-03 01:08:15,463 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 [2023-04-03 01:08:15,464 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:15,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1651613792, now seen corresponding path program 2 times [2023-04-03 01:08:15,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:15,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296181895] [2023-04-03 01:08:15,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 35 proven. 20 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-04-03 01:08:16,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:16,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296181895] [2023-04-03 01:08:16,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296181895] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:16,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255604955] [2023-04-03 01:08:16,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-04-03 01:08:16,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:16,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:16,177 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) [2023-04-03 01:08:16,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:08:16,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-04-03 01:08:16,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-03 01:08:16,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 31 conjunts are in the unsatisfiable core [2023-04-03 01:08:16,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:08:16,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:08:16,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255604955] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:08:16,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:08:16,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [17] total 27 [2023-04-03 01:08:16,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102007489] [2023-04-03 01:08:16,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:08:16,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:08:16,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:16,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:08:16,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2023-04-03 01:08:16,792 INFO L87 Difference]: Start difference. First operand 1333 states and 1532 transitions. Second operand has 12 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 01:08:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:17,629 INFO L93 Difference]: Finished difference Result 2730 states and 3132 transitions. [2023-04-03 01:08:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:08:17,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) Word has length 206 [2023-04-03 01:08:17,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:17,637 INFO L225 Difference]: With dead ends: 2730 [2023-04-03 01:08:17,637 INFO L226 Difference]: Without dead ends: 1387 [2023-04-03 01:08:17,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=836, Unknown=0, NotChecked=0, Total=992 [2023-04-03 01:08:17,643 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 109 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:17,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 917 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:08:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-04-03 01:08:17,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1349. [2023-04-03 01:08:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 776 states have (on average 1.092783505154639) internal successors, (848), 815 states have internal predecessors, (848), 284 states have call successors, (284), 276 states have call predecessors, (284), 288 states have return successors, (382), 285 states have call predecessors, (382), 280 states have call successors, (382) [2023-04-03 01:08:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1514 transitions. [2023-04-03 01:08:17,747 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1514 transitions. Word has length 206 [2023-04-03 01:08:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:17,749 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1514 transitions. [2023-04-03 01:08:17,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 01:08:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1514 transitions. [2023-04-03 01:08:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-03 01:08:17,753 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:17,753 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 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, 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] [2023-04-03 01:08:17,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-03 01:08:17,961 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 [2023-04-03 01:08:17,961 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:17,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:17,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2096787218, now seen corresponding path program 1 times [2023-04-03 01:08:17,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:17,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582209952] [2023-04-03 01:08:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 60 proven. 46 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-04-03 01:08:18,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:18,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582209952] [2023-04-03 01:08:18,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582209952] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:18,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153550260] [2023-04-03 01:08:18,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:18,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:18,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:18,227 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) [2023-04-03 01:08:18,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:08:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:18,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 52 conjunts are in the unsatisfiable core [2023-04-03 01:08:18,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 68 proven. 148 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:08:19,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:08:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-04-03 01:08:20,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153550260] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:08:20,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1615015889] [2023-04-03 01:08:20,717 INFO L159 IcfgInterpreter]: Started Sifa with 116 locations of interest [2023-04-03 01:08:20,717 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:08:20,718 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:08:20,718 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:08:20,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:08:20,806 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:08:20,830 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:08:20,914 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:08:20,921 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:22,892 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 75 for LOIs [2023-04-03 01:08:22,914 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:08:23,051 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 42 for LOIs [2023-04-03 01:08:23,060 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 23 for LOIs [2023-04-03 01:08:23,150 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 27 for LOIs [2023-04-03 01:08:23,249 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:08:23,360 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 22 for LOIs [2023-04-03 01:08:23,419 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 22 for LOIs [2023-04-03 01:08:23,423 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 34 for LOIs [2023-04-03 01:08:23,476 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 20 for LOIs [2023-04-03 01:08:23,485 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 20 for LOIs [2023-04-03 01:08:23,486 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 24 for LOIs [2023-04-03 01:08:23,487 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 23 for LOIs [2023-04-03 01:08:23,511 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 23 for LOIs [2023-04-03 01:08:23,555 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 23 for LOIs [2023-04-03 01:08:23,559 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:23,560 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:23,562 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-04-03 01:08:23,588 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-04-03 01:08:23,589 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-04-03 01:08:23,590 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 20 for LOIs [2023-04-03 01:08:23,591 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:23,593 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:23,594 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:08:28,407 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '25338#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:08:28,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:08:28,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:08:28,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 19, 18] total 44 [2023-04-03 01:08:28,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650075617] [2023-04-03 01:08:28,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:08:28,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-04-03 01:08:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:28,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-04-03 01:08:28,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=771, Invalid=9531, Unknown=0, NotChecked=0, Total=10302 [2023-04-03 01:08:28,416 INFO L87 Difference]: Start difference. First operand 1349 states and 1514 transitions. Second operand has 44 states, 32 states have (on average 7.0) internal successors, (224), 32 states have internal predecessors, (224), 12 states have call successors, (90), 9 states have call predecessors, (90), 23 states have return successors, (98), 22 states have call predecessors, (98), 12 states have call successors, (98) [2023-04-03 01:08:32,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:32,185 INFO L93 Difference]: Finished difference Result 2052 states and 2346 transitions. [2023-04-03 01:08:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-04-03 01:08:32,185 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 32 states have (on average 7.0) internal successors, (224), 32 states have internal predecessors, (224), 12 states have call successors, (90), 9 states have call predecessors, (90), 23 states have return successors, (98), 22 states have call predecessors, (98), 12 states have call successors, (98) Word has length 247 [2023-04-03 01:08:32,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:32,187 INFO L225 Difference]: With dead ends: 2052 [2023-04-03 01:08:32,187 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:08:32,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 827 GetRequests, 649 SyntacticMatches, 16 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9918 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=2054, Invalid=24678, Unknown=0, NotChecked=0, Total=26732 [2023-04-03 01:08:32,198 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 584 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 5561 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 6104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 5561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:32,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1004 Invalid, 6104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 5561 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 01:08:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:08:32,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:08:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:08:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:08:32,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2023-04-03 01:08:32,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:32,199 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:08:32,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 32 states have (on average 7.0) internal successors, (224), 32 states have internal predecessors, (224), 12 states have call successors, (90), 9 states have call predecessors, (90), 23 states have return successors, (98), 22 states have call predecessors, (98), 12 states have call successors, (98) [2023-04-03 01:08:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:08:32,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:08:32,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:08:32,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:08:32,413 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 [2023-04-03 01:08:32,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:08:37,313 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:08:37,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:08:37,313 INFO L899 garLoopResultBuilder]: For program point L629(lines 629 633) no Hoare annotation was computed. [2023-04-03 01:08:37,313 INFO L899 garLoopResultBuilder]: For program point L623-2(lines 623 644) no Hoare annotation was computed. [2023-04-03 01:08:37,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 598 653) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 598 653) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L645(lines 622 646) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L699(line 699) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L699-1(line 699) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 654 713) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 690) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 654 713) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 654 713) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L680-2(lines 680 705) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L706(lines 679 707) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-04-03 01:08:37,314 INFO L895 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or (< 2 ~waterLevel~0) .cse0 (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2)))) [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 538) no Hoare annotation was computed. [2023-04-03 01:08:37,314 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 520 544) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L530(line 530) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or (< 2 ~waterLevel~0) .cse0 (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2)))) [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L530-1(line 530) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 541) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 520 544) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L902 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: true [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 520 544) the Hoare annotation is: true [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L994-1(lines 994 1001) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L991(line 991) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L990(line 990) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L990-1(line 990) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 984 1006) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 984 1006) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L996(line 996) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~11 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L895 garLoopResultBuilder]: At program point L996-1(line 996) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~11 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1001) no Hoare annotation was computed. [2023-04-03 01:08:37,315 INFO L899 garLoopResultBuilder]: For program point L961(line 961) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L960(line 960) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 943 966) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L959(line 959) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L957(line 957) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L956(line 956) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 943 966) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L955(line 955) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L954(line 954) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L953(line 953) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L949(line 949) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 943 966) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L902 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: true [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 328 346) the Hoare annotation is: true [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 328 346) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 865 910) no Hoare annotation was computed. [2023-04-03 01:08:37,316 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 865 910) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 496 509) the Hoare annotation is: true [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 496 509) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 195 219) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or .cse2 .cse0 .cse1 (< 1 ~waterLevel~0)) (or (< 2 ~waterLevel~0) .cse2 .cse1 (< ~waterLevel~0 2)))) [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 195 219) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse2 .cse1 (< 1 ~waterLevel~0)) (or .cse2 .cse1 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2))) (or .cse2 (= ~methaneLevelCritical~0 0) .cse1 .cse3)))) [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse2)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< 2 ~waterLevel~0) .cse3 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse0 .cse1 (< 1 ~waterLevel~0))))) [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 219) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse2)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or (< 2 ~waterLevel~0) .cse3 .cse4 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse4 .cse0 .cse1 (< 1 ~waterLevel~0))))) [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse1 .cse3) (or .cse0 .cse2 .cse1 (< 1 ~waterLevel~0))))) [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 135 141) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 135 141) the Hoare annotation is: true [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L407(lines 360 408) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0))) [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 351 414) no Hoare annotation was computed. [2023-04-03 01:08:37,317 INFO L895 garLoopResultBuilder]: At program point L397-2(lines 391 402) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)))) [2023-04-03 01:08:37,317 INFO L899 garLoopResultBuilder]: For program point L362(lines 361 406) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 351 414) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 381 387) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point L404(lines 361 406) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 351 414) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 220 227) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2)) [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 220 227) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 510 518) the Hoare annotation is: true [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 510 518) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 464 486) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 464 486) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= activatePump_~tmp~3 0)) .cse3))) [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 228 244) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 228 244) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2023-04-03 01:08:37,318 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 228 244) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-04-03 01:08:37,319 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 309 327) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L902 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point L316-1(line 316) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 309 327) the Hoare annotation is: true [2023-04-03 01:08:37,319 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 487 495) the Hoare annotation is: true [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 487 495) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 455 463) the Hoare annotation is: true [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 455 463) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse4 (not .cse2)) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse4 (< |old(~waterLevel~0)| 1) .cse5 .cse0)))) [2023-04-03 01:08:37,319 INFO L895 garLoopResultBuilder]: At program point L122(lines 122 128) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (and .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) (.cse7 (not .cse6)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (and (<= ~waterLevel~0 2) .cse8)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse3 .cse4 (and .cse5 .cse6)) (or (< 1 |old(~waterLevel~0)|) .cse7 (< |old(~waterLevel~0)| 1) (and .cse5 .cse8) .cse0) (or .cse7 .cse0 .cse1 .cse2 .cse4)))) [2023-04-03 01:08:37,319 INFO L895 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse3 (< |old(~waterLevel~0)| 1) .cse0) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point L115(lines 114 133) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 111 134) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 111 134) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 111 134) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 913 942) no Hoare annotation was computed. [2023-04-03 01:08:37,319 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L902 garLoopResultBuilder]: At program point L927-1(lines 927 931) the Hoare annotation is: true [2023-04-03 01:08:37,320 INFO L902 garLoopResultBuilder]: At program point L923-2(lines 923 937) the Hoare annotation is: true [2023-04-03 01:08:37,320 INFO L902 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: true [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L902 garLoopResultBuilder]: At program point L938(lines 913 942) the Hoare annotation is: true [2023-04-03 01:08:37,320 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 913 942) the Hoare annotation is: true [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point L934(line 934) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 419 430) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 419 430) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L895 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (= ~pumpRunning~0 0))))) [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 143 167) no Hoare annotation was computed. [2023-04-03 01:08:37,320 INFO L895 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0)) (or (< 2 ~waterLevel~0) .cse0 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) .cse1 (< ~waterLevel~0 2)))) [2023-04-03 01:08:37,320 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0)))) [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 164) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 167) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0)))) [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0)))) [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 431 442) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 431 442) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (let ((.cse4 (not (= ~pumpRunning~0 0)))) (and (or .cse4 .cse0 .cse1 .cse3) (or (< 1 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse4 .cse0))) .cse2))) [2023-04-03 01:08:37,321 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse2)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< 2 ~waterLevel~0) .cse3 .cse4 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse4 .cse0 .cse1 (< 1 ~waterLevel~0))))) [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse2)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< 2 ~waterLevel~0) .cse3 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse0 .cse1 (< 1 ~waterLevel~0))))) [2023-04-03 01:08:37,321 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse2 .cse1 (< 1 ~waterLevel~0)) (or .cse2 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__methaneQuery_~tmp~1 1)) .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2023-04-03 01:08:37,321 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L895 garLoopResultBuilder]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse2 .cse1 (< 1 ~waterLevel~0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point L175-1(line 175) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 190) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 169 193) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse4)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse3 .cse2 (< 1 ~waterLevel~0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse2 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 264 272) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 264 272) the Hoare annotation is: true [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point L303-1(line 303) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 273 308) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 273 308) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 552 597) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 552 597) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 974 983) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 974 983) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 974 983) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point L258-1(line 258) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed. [2023-04-03 01:08:37,322 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 263) the Hoare annotation is: true [2023-04-03 01:08:37,322 INFO L902 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: true [2023-04-03 01:08:37,322 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 245 252) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 819 864) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 819 864) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L766(lines 765 785) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 803) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L781(line 781) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L781-1(line 781) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 716 818) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 716 818) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 744) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L765-2(lines 765 785) no Hoare annotation was computed. [2023-04-03 01:08:37,323 INFO L899 garLoopResultBuilder]: For program point L786(lines 764 787) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 716 818) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 761) no Hoare annotation was computed. [2023-04-03 01:08:37,324 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)) [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 443 454) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse6 (< 2 ~waterLevel~0)) (.cse0 (not .cse7)) (.cse9 (< ~waterLevel~0 2)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (< ~waterLevel~0 1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0)) (.cse8 (not .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse4 .cse7 .cse8 .cse9) (or .cse6 .cse0 .cse3 .cse4 .cse9) (or .cse1 .cse2 .cse4 .cse7 .cse5 .cse8)))) [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 443 454) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 967 973) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 967 973) the Hoare annotation is: true [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:08:37,324 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2023-04-03 01:08:37,324 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:08:37,325 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:08:37,327 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:37,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:08:37,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:08:37 BoogieIcfgContainer [2023-04-03 01:08:37,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:08:37,345 INFO L158 Benchmark]: Toolchain (without parser) took 44884.73ms. Allocated memory was 181.4MB in the beginning and 816.8MB in the end (delta: 635.4MB). Free memory was 136.7MB in the beginning and 524.1MB in the end (delta: -387.3MB). Peak memory consumption was 488.2MB. Max. memory is 8.0GB. [2023-04-03 01:08:37,345 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:08:37,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.87ms. Allocated memory is still 181.4MB. Free memory was 136.4MB in the beginning and 117.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:08:37,346 INFO L158 Benchmark]: Boogie Preprocessor took 64.59ms. Allocated memory is still 181.4MB. Free memory was 117.5MB in the beginning and 114.0MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:08:37,346 INFO L158 Benchmark]: RCFGBuilder took 927.75ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 114.0MB in the beginning and 192.0MB in the end (delta: -78.0MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. [2023-04-03 01:08:37,346 INFO L158 Benchmark]: TraceAbstraction took 43424.94ms. Allocated memory was 260.0MB in the beginning and 816.8MB in the end (delta: 556.8MB). Free memory was 191.0MB in the beginning and 524.1MB in the end (delta: -333.1MB). Peak memory consumption was 462.8MB. Max. memory is 8.0GB. [2023-04-03 01:08:37,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 127.4MB in the beginning and 127.3MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.87ms. Allocated memory is still 181.4MB. Free memory was 136.4MB in the beginning and 117.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.59ms. Allocated memory is still 181.4MB. Free memory was 117.5MB in the beginning and 114.0MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 927.75ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 114.0MB in the beginning and 192.0MB in the end (delta: -78.0MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. * TraceAbstraction took 43424.94ms. Allocated memory was 260.0MB in the beginning and 816.8MB in the end (delta: 556.8MB). Free memory was 191.0MB in the beginning and 524.1MB in the end (delta: -333.1MB). Peak memory consumption was 462.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3304 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3196 mSDsluCounter, 6023 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4865 mSDsCounter, 2340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13754 IncrementalHoareTripleChecker+Invalid, 16094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2340 mSolverCounterUnsat, 1158 mSDtfsCounter, 13754 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1844 GetRequests, 1394 SyntacticMatches, 27 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19176 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1349occurred in iteration=10, InterpolantAutomatonStates: 220, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 725 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3002 PreInvPairs, 3090 NumberOfFragments, 1805 HoareAnnotationTreeSize, 3002 FomulaSimplifications, 32458 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 15496 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1915 NumberOfCodeBlocks, 1852 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2292 ConstructedInterpolants, 0 QuantifiedInterpolants, 5954 SizeOfPredicates, 34 NumberOfNonLiveVariables, 2266 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 856/1108 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: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || \old(waterLevel) < 1) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 <= waterLevel)) || (((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: (((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || \old(waterLevel) < 1) || !(1 == systemActive) - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:08:37,365 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...