/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_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:38,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:38,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:38,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:38,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:38,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:38,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:38,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:38,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:38,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:38,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:38,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:38,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:38,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:38,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:38,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:38,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:38,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:38,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:38,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:38,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:38,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:38,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:38,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:38,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:38,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:38,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:38,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:38,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:38,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:38,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:38,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:38,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:38,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:38,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:38,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:38,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:38,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:38,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:38,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:38,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:38,859 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 01:10:38,876 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:38,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:38,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:38,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:38,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:38,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:38,878 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:38,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:38,879 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:38,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:38,879 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:38,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:38,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:38,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:38,880 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:38,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:38,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:38,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:38,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:38,881 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:38,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:38,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:38,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:38,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:38,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:38,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:38,883 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:38,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:38,883 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:38,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:38,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:38,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:38,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:38,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:38,884 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:38,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:38,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:38,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:38,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:38,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:38,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:38,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:39,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:39,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:39,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:39,098 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:39,099 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:39,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2023-04-03 01:10:40,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:40,496 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:40,497 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2023-04-03 01:10:40,507 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca3223af/8d8e0af2fc654c69801659abbaa38ca5/FLAG4dc70744e [2023-04-03 01:10:40,520 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ca3223af/8d8e0af2fc654c69801659abbaa38ca5 [2023-04-03 01:10:40,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:40,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:40,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:40,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:40,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:40,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:40,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7dc75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40, skipping insertion in model container [2023-04-03 01:10:40,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:40,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:40,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:40,845 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2023-04-03 01:10:40,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:40,862 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:40,945 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2023-04-03 01:10:40,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:40,964 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:40,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40 WrapperNode [2023-04-03 01:10:40,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:40,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:40,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:40,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:40,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:40,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:41,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:41,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:41,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:41,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (1/1) ... [2023-04-03 01:10:41,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:41,104 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 01:10:41,112 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 01:10:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:41,330 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:41,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:41,885 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:42,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:42,022 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:42,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:42 BoogieIcfgContainer [2023-04-03 01:10:42,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:42,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:42,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:42,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:42,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:40" (1/3) ... [2023-04-03 01:10:42,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590ab5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:42, skipping insertion in model container [2023-04-03 01:10:42,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:40" (2/3) ... [2023-04-03 01:10:42,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590ab5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:42, skipping insertion in model container [2023-04-03 01:10:42,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:42" (3/3) ... [2023-04-03 01:10:42,035 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2023-04-03 01:10:42,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:42,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:42,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:42,117 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;@5bb1f58d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:42,122 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 93 states have internal predecessors, (98), 55 states have call successors, (55), 34 states have call predecessors, (55), 34 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2023-04-03 01:10:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:42,136 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:42,137 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:42,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:42,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1079970706, now seen corresponding path program 1 times [2023-04-03 01:10:42,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116507580] [2023-04-03 01:10:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:42,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:42,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:42,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116507580] [2023-04-03 01:10:42,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116507580] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:42,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:42,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955906825] [2023-04-03 01:10:42,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:42,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:42,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:42,456 INFO L87 Difference]: Start difference. First operand has 170 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 93 states have internal predecessors, (98), 55 states have call successors, (55), 34 states have call predecessors, (55), 34 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:42,572 INFO L93 Difference]: Finished difference Result 270 states and 327 transitions. [2023-04-03 01:10:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:42,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:42,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:42,585 INFO L225 Difference]: With dead ends: 270 [2023-04-03 01:10:42,586 INFO L226 Difference]: Without dead ends: 137 [2023-04-03 01:10:42,590 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 01:10:42,595 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:42,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-04-03 01:10:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-04-03 01:10:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 81 states have internal predecessors, (84), 40 states have call successors, (40), 32 states have call predecessors, (40), 27 states have return successors, (35), 29 states have call predecessors, (35), 35 states have call successors, (35) [2023-04-03 01:10:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2023-04-03 01:10:42,654 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 52 [2023-04-03 01:10:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:42,654 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2023-04-03 01:10:42,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2023-04-03 01:10:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:42,657 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:42,658 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:42,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:42,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:42,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:42,659 INFO L85 PathProgramCache]: Analyzing trace with hash 207016007, now seen corresponding path program 1 times [2023-04-03 01:10:42,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:42,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549777908] [2023-04-03 01:10:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:42,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:42,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549777908] [2023-04-03 01:10:42,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549777908] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:42,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:42,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:42,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364827540] [2023-04-03 01:10:42,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:42,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:42,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:42,798 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:42,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:42,874 INFO L93 Difference]: Finished difference Result 228 states and 266 transitions. [2023-04-03 01:10:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:42,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:42,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:42,879 INFO L225 Difference]: With dead ends: 228 [2023-04-03 01:10:42,879 INFO L226 Difference]: Without dead ends: 129 [2023-04-03 01:10:42,881 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 01:10:42,883 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 7 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:42,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 248 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-04-03 01:10:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-04-03 01:10:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 64 states have (on average 1.21875) internal successors, (78), 76 states have internal predecessors, (78), 37 states have call successors, (37), 31 states have call predecessors, (37), 27 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:10:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2023-04-03 01:10:42,904 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 53 [2023-04-03 01:10:42,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:42,905 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2023-04-03 01:10:42,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2023-04-03 01:10:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:10:42,913 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:42,913 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:42,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:42,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:42,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash -235227222, now seen corresponding path program 1 times [2023-04-03 01:10:42,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:42,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153811317] [2023-04-03 01:10:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:42,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:43,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:43,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153811317] [2023-04-03 01:10:43,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153811317] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:43,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:43,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:43,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622012237] [2023-04-03 01:10:43,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:43,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:43,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:43,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:43,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:43,090 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:43,327 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions. [2023-04-03 01:10:43,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:10:43,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 55 [2023-04-03 01:10:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:43,335 INFO L225 Difference]: With dead ends: 233 [2023-04-03 01:10:43,335 INFO L226 Difference]: Without dead ends: 129 [2023-04-03 01:10:43,339 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 01:10:43,341 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 138 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:43,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 360 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-04-03 01:10:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-04-03 01:10:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 64 states have (on average 1.203125) internal successors, (77), 75 states have internal predecessors, (77), 37 states have call successors, (37), 31 states have call predecessors, (37), 27 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:10:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 147 transitions. [2023-04-03 01:10:43,359 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 147 transitions. Word has length 55 [2023-04-03 01:10:43,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:43,363 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 147 transitions. [2023-04-03 01:10:43,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2023-04-03 01:10:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:10:43,367 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:43,368 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:43,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:43,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:43,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:43,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1131601779, now seen corresponding path program 1 times [2023-04-03 01:10:43,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:43,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436411562] [2023-04-03 01:10:43,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:43,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436411562] [2023-04-03 01:10:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436411562] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:43,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:43,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:10:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249635238] [2023-04-03 01:10:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:43,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:10:43,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:43,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:10:43,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:10:43,600 INFO L87 Difference]: Start difference. First operand 129 states and 147 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:43,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:43,976 INFO L93 Difference]: Finished difference Result 337 states and 398 transitions. [2023-04-03 01:10:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:43,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 72 [2023-04-03 01:10:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:43,980 INFO L225 Difference]: With dead ends: 337 [2023-04-03 01:10:43,980 INFO L226 Difference]: Without dead ends: 233 [2023-04-03 01:10:43,981 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 01:10:43,988 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 191 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:43,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 165 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:43,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-04-03 01:10:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 218. [2023-04-03 01:10:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 124 states have internal predecessors, (133), 51 states have call successors, (51), 47 states have call predecessors, (51), 51 states have return successors, (57), 51 states have call predecessors, (57), 47 states have call successors, (57) [2023-04-03 01:10:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2023-04-03 01:10:44,027 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 72 [2023-04-03 01:10:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:44,028 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2023-04-03 01:10:44,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2023-04-03 01:10:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-03 01:10:44,030 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:44,030 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:44,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:44,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:44,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1521997854, now seen corresponding path program 1 times [2023-04-03 01:10:44,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:44,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147698669] [2023-04-03 01:10:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:44,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:44,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:44,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147698669] [2023-04-03 01:10:44,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147698669] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:44,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:44,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:44,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820808793] [2023-04-03 01:10:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:44,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:44,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:44,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:44,260 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:44,676 INFO L93 Difference]: Finished difference Result 425 states and 483 transitions. [2023-04-03 01:10:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:10:44,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 82 [2023-04-03 01:10:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:44,679 INFO L225 Difference]: With dead ends: 425 [2023-04-03 01:10:44,679 INFO L226 Difference]: Without dead ends: 232 [2023-04-03 01:10:44,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:10:44,680 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 140 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:44,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 292 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:44,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-04-03 01:10:44,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 217. [2023-04-03 01:10:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 114 states have (on average 1.1403508771929824) internal successors, (130), 123 states have internal predecessors, (130), 51 states have call successors, (51), 47 states have call predecessors, (51), 51 states have return successors, (57), 51 states have call predecessors, (57), 47 states have call successors, (57) [2023-04-03 01:10:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 238 transitions. [2023-04-03 01:10:44,709 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 238 transitions. Word has length 82 [2023-04-03 01:10:44,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:44,709 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 238 transitions. [2023-04-03 01:10:44,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 238 transitions. [2023-04-03 01:10:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-03 01:10:44,711 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:44,711 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:44,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:44,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:44,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:44,712 INFO L85 PathProgramCache]: Analyzing trace with hash 18410938, now seen corresponding path program 1 times [2023-04-03 01:10:44,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:44,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438449636] [2023-04-03 01:10:44,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:44,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:45,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:45,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438449636] [2023-04-03 01:10:45,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438449636] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:45,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400992719] [2023-04-03 01:10:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:45,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:45,121 INFO L87 Difference]: Start difference. First operand 217 states and 238 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:45,652 INFO L93 Difference]: Finished difference Result 557 states and 634 transitions. [2023-04-03 01:10:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:45,653 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) Word has length 95 [2023-04-03 01:10:45,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:45,656 INFO L225 Difference]: With dead ends: 557 [2023-04-03 01:10:45,657 INFO L226 Difference]: Without dead ends: 365 [2023-04-03 01:10:45,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:45,659 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 242 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:45,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1048 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:10:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-04-03 01:10:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 358. [2023-04-03 01:10:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 194 states have (on average 1.134020618556701) internal successors, (220), 207 states have internal predecessors, (220), 83 states have call successors, (83), 77 states have call predecessors, (83), 80 states have return successors, (101), 83 states have call predecessors, (101), 79 states have call successors, (101) [2023-04-03 01:10:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 404 transitions. [2023-04-03 01:10:45,692 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 404 transitions. Word has length 95 [2023-04-03 01:10:45,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:45,693 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 404 transitions. [2023-04-03 01:10:45,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 404 transitions. [2023-04-03 01:10:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-03 01:10:45,694 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:45,694 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:45,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:45,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:45,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1568561778, now seen corresponding path program 1 times [2023-04-03 01:10:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090204471] [2023-04-03 01:10:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:45,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:46,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:46,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090204471] [2023-04-03 01:10:46,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090204471] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:46,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:46,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:46,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516893464] [2023-04-03 01:10:46,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:46,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:46,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:46,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:46,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:46,093 INFO L87 Difference]: Start difference. First operand 358 states and 404 transitions. Second operand has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:47,004 INFO L93 Difference]: Finished difference Result 1114 states and 1293 transitions. [2023-04-03 01:10:47,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:47,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 98 [2023-04-03 01:10:47,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:47,009 INFO L225 Difference]: With dead ends: 1114 [2023-04-03 01:10:47,009 INFO L226 Difference]: Without dead ends: 840 [2023-04-03 01:10:47,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:47,011 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 316 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:47,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 250 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:10:47,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2023-04-03 01:10:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 731. [2023-04-03 01:10:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 401 states have (on average 1.139650872817955) internal successors, (457), 426 states have internal predecessors, (457), 163 states have call successors, (163), 152 states have call predecessors, (163), 166 states have return successors, (211), 170 states have call predecessors, (211), 159 states have call successors, (211) [2023-04-03 01:10:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 831 transitions. [2023-04-03 01:10:47,082 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 831 transitions. Word has length 98 [2023-04-03 01:10:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:47,083 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 831 transitions. [2023-04-03 01:10:47,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 831 transitions. [2023-04-03 01:10:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-04-03 01:10:47,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:47,085 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-04-03 01:10:47,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:10:47,085 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:47,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:47,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2136604345, now seen corresponding path program 1 times [2023-04-03 01:10:47,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:47,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643117025] [2023-04-03 01:10:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:47,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:47,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643117025] [2023-04-03 01:10:47,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643117025] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715882853] [2023-04-03 01:10:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:47,341 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 01:10:47,391 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 01:10:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:47,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:47,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:47,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:48,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715882853] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:48,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1212064204] [2023-04-03 01:10:48,347 INFO L159 IcfgInterpreter]: Started Sifa with 121 locations of interest [2023-04-03 01:10:48,347 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:48,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:48,354 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:48,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:48,581 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:48,628 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:10:48,824 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:10:48,894 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:10:51,830 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-03 01:10:51,846 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 45 for LOIs [2023-04-03 01:10:52,263 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:52,270 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 47 for LOIs [2023-04-03 01:10:52,620 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 40 for LOIs [2023-04-03 01:10:53,014 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 40 for LOIs [2023-04-03 01:10:53,373 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:53,470 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:53,475 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:53,562 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 45 for LOIs [2023-04-03 01:10:53,593 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 45 for LOIs [2023-04-03 01:10:53,599 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:53,604 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:10:53,607 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:10:53,725 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:10:53,731 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:53,734 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:53,737 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:53,907 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:10:53,910 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:53,913 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 39 for LOIs [2023-04-03 01:10:53,959 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:10:53,962 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:53,964 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:53,967 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:53,969 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:59,937 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8590#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:59,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:59,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:59,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:10:59,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813777084] [2023-04-03 01:10:59,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:59,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:10:59,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:59,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:10:59,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=6382, Unknown=0, NotChecked=0, Total=6972 [2023-04-03 01:10:59,943 INFO L87 Difference]: Start difference. First operand 731 states and 831 transitions. Second operand has 19 states, 12 states have (on average 11.333333333333334) internal successors, (136), 15 states have internal predecessors, (136), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:01,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:01,072 INFO L93 Difference]: Finished difference Result 1549 states and 1801 transitions. [2023-04-03 01:11:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-03 01:11:01,073 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 11.333333333333334) internal successors, (136), 15 states have internal predecessors, (136), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) Word has length 163 [2023-04-03 01:11:01,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:01,080 INFO L225 Difference]: With dead ends: 1549 [2023-04-03 01:11:01,080 INFO L226 Difference]: Without dead ends: 902 [2023-04-03 01:11:01,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 397 SyntacticMatches, 25 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5083 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=756, Invalid=9344, Unknown=0, NotChecked=0, Total=10100 [2023-04-03 01:11:01,085 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 395 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:01,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1797 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:11:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2023-04-03 01:11:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2023-04-03 01:11:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 452 states have (on average 1.1327433628318584) internal successors, (512), 487 states have internal predecessors, (512), 185 states have call successors, (185), 174 states have call predecessors, (185), 183 states have return successors, (234), 182 states have call predecessors, (234), 181 states have call successors, (234) [2023-04-03 01:11:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 931 transitions. [2023-04-03 01:11:01,152 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 931 transitions. Word has length 163 [2023-04-03 01:11:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:01,153 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 931 transitions. [2023-04-03 01:11:01,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 11.333333333333334) internal successors, (136), 15 states have internal predecessors, (136), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 931 transitions. [2023-04-03 01:11:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-03 01:11:01,161 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:01,161 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-04-03 01:11:01,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:01,369 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 01:11:01,369 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:01,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1549432866, now seen corresponding path program 1 times [2023-04-03 01:11:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444063277] [2023-04-03 01:11:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 01:11:01,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444063277] [2023-04-03 01:11:01,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444063277] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268081621] [2023-04-03 01:11:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:01,695 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 01:11:01,698 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 01:11:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:11:01,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 01:11:02,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-04-03 01:11:02,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268081621] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:02,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [433612238] [2023-04-03 01:11:02,508 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-03 01:11:02,508 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:02,509 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:02,509 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:02,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:02,606 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:02,650 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:11:02,763 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:11:02,801 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:11:04,565 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2023-04-03 01:11:04,570 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2023-04-03 01:11:04,817 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-03 01:11:04,822 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 42 for LOIs [2023-04-03 01:11:04,892 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2023-04-03 01:11:04,915 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:05,036 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:11:05,124 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:11:05,131 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:11:05,209 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 44 for LOIs [2023-04-03 01:11:05,336 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 44 for LOIs [2023-04-03 01:11:05,343 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:05,345 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:05,346 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:05,347 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 32 for LOIs [2023-04-03 01:11:05,512 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:11:05,515 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 32 for LOIs [2023-04-03 01:11:05,517 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 43 for LOIs [2023-04-03 01:11:05,554 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:11:05,558 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:05,561 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:05,562 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:05,564 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:11,492 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13329#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:11,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:11,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:11,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-04-03 01:11:11,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159449902] [2023-04-03 01:11:11,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:11,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-03 01:11:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-03 01:11:11,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=5990, Unknown=0, NotChecked=0, Total=6480 [2023-04-03 01:11:11,498 INFO L87 Difference]: Start difference. First operand 821 states and 931 transitions. Second operand has 22 states, 16 states have (on average 8.5) internal successors, (136), 16 states have internal predecessors, (136), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:13,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:13,417 INFO L93 Difference]: Finished difference Result 3164 states and 3794 transitions. [2023-04-03 01:11:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-03 01:11:13,418 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 8.5) internal successors, (136), 16 states have internal predecessors, (136), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) Word has length 210 [2023-04-03 01:11:13,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:13,430 INFO L225 Difference]: With dead ends: 3164 [2023-04-03 01:11:13,430 INFO L226 Difference]: Without dead ends: 2382 [2023-04-03 01:11:13,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 552 SyntacticMatches, 19 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5900 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=818, Invalid=14188, Unknown=0, NotChecked=0, Total=15006 [2023-04-03 01:11:13,438 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 277 mSDsluCounter, 2845 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 3021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:13,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 3140 Invalid, 3021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 01:11:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2023-04-03 01:11:13,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2005. [2023-04-03 01:11:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2005 states, 1116 states have (on average 1.0994623655913978) internal successors, (1227), 1179 states have internal predecessors, (1227), 444 states have call successors, (444), 428 states have call predecessors, (444), 444 states have return successors, (564), 439 states have call predecessors, (564), 440 states have call successors, (564) [2023-04-03 01:11:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2235 transitions. [2023-04-03 01:11:13,623 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2235 transitions. Word has length 210 [2023-04-03 01:11:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:13,624 INFO L495 AbstractCegarLoop]: Abstraction has 2005 states and 2235 transitions. [2023-04-03 01:11:13,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 8.5) internal successors, (136), 16 states have internal predecessors, (136), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2235 transitions. [2023-04-03 01:11:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-03 01:11:13,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:13,629 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 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] [2023-04-03 01:11:13,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:13,835 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 01:11:13,836 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:13,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:13,837 INFO L85 PathProgramCache]: Analyzing trace with hash -233252329, now seen corresponding path program 1 times [2023-04-03 01:11:13,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:13,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775455555] [2023-04-03 01:11:13,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:13,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:14,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775455555] [2023-04-03 01:11:14,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775455555] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679603572] [2023-04-03 01:11:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:14,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:14,499 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 01:11:14,502 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 01:11:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:14,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 40 conjunts are in the unsatisfiable core [2023-04-03 01:11:14,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 64 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:11:15,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:16,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679603572] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:16,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [452290241] [2023-04-03 01:11:16,890 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2023-04-03 01:11:16,890 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:16,891 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:16,891 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:16,891 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:16,991 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:17,017 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:11:17,122 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:11:17,155 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:11:20,165 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-03 01:11:20,170 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 59 for LOIs [2023-04-03 01:11:20,636 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 54 for LOIs [2023-04-03 01:11:20,642 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 51 for LOIs [2023-04-03 01:11:20,779 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 28 for LOIs [2023-04-03 01:11:20,799 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2023-04-03 01:11:20,928 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 26 for LOIs [2023-04-03 01:11:20,994 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 26 for LOIs [2023-04-03 01:11:20,997 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-04-03 01:11:21,036 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 53 for LOIs [2023-04-03 01:11:21,121 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 53 for LOIs [2023-04-03 01:11:21,129 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:21,131 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 42 for LOIs [2023-04-03 01:11:21,133 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-03 01:11:21,138 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:21,140 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:21,141 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 48 for LOIs [2023-04-03 01:11:21,377 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 70 for LOIs [2023-04-03 01:11:21,382 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 48 for LOIs [2023-04-03 01:11:21,384 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 54 for LOIs [2023-04-03 01:11:21,445 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-04-03 01:11:21,447 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:21,448 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:21,450 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:21,451 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:30,519 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '22175#(and (<= (+ ~pumpRunning~0 ~methaneLevelCritical~0) 2147483647) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:30,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:30,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:30,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 15] total 38 [2023-04-03 01:11:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701632287] [2023-04-03 01:11:30,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:30,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-04-03 01:11:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:30,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-04-03 01:11:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=10158, Unknown=0, NotChecked=0, Total=10920 [2023-04-03 01:11:30,524 INFO L87 Difference]: Start difference. First operand 2005 states and 2235 transitions. Second operand has 38 states, 29 states have (on average 6.827586206896552) internal successors, (198), 29 states have internal predecessors, (198), 13 states have call successors, (89), 8 states have call predecessors, (89), 21 states have return successors, (92), 23 states have call predecessors, (92), 13 states have call successors, (92) [2023-04-03 01:11:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:32,948 INFO L93 Difference]: Finished difference Result 3755 states and 4319 transitions. [2023-04-03 01:11:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:11:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 29 states have (on average 6.827586206896552) internal successors, (198), 29 states have internal predecessors, (198), 13 states have call successors, (89), 8 states have call predecessors, (89), 21 states have return successors, (92), 23 states have call predecessors, (92), 13 states have call successors, (92) Word has length 221 [2023-04-03 01:11:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:32,952 INFO L225 Difference]: With dead ends: 3755 [2023-04-03 01:11:32,952 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:11:32,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 574 SyntacticMatches, 25 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9707 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1521, Invalid=19359, Unknown=0, NotChecked=0, Total=20880 [2023-04-03 01:11:32,965 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 638 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 3689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:32,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 562 Invalid, 3689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 01:11:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:11:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:11:32,967 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 01:11:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:11:32,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2023-04-03 01:11:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:32,968 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:11:32,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 29 states have (on average 6.827586206896552) internal successors, (198), 29 states have internal predecessors, (198), 13 states have call successors, (89), 8 states have call predecessors, (89), 21 states have return successors, (92), 23 states have call predecessors, (92), 13 states have call successors, (92) [2023-04-03 01:11:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:11:32,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:11:32,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:11:32,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:33,177 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 01:11:33,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L576(lines 553 577) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 529 584) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L554-2(lines 554 575) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 529 584) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L611-2(lines 611 636) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L637(lines 610 638) no Hoare annotation was computed. [2023-04-03 01:11:43,002 INFO L899 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2023-04-03 01:11:43,004 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 585 644) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L899 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 585 644) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 585 644) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 921 929) no Hoare annotation was computed. [2023-04-03 01:11:43,005 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 921 929) the Hoare annotation is: true [2023-04-03 01:11:43,006 INFO L895 garLoopResultBuilder]: At program point L1025(line 1025) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~11 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,006 INFO L895 garLoopResultBuilder]: At program point L1025-1(line 1025) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~11 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,006 INFO L899 garLoopResultBuilder]: For program point L1023(lines 1023 1030) no Hoare annotation was computed. [2023-04-03 01:11:43,006 INFO L899 garLoopResultBuilder]: For program point L1023-1(lines 1023 1030) no Hoare annotation was computed. [2023-04-03 01:11:43,006 INFO L899 garLoopResultBuilder]: For program point L1021(line 1021) no Hoare annotation was computed. [2023-04-03 01:11:43,006 INFO L895 garLoopResultBuilder]: At program point L1020(line 1020) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,006 INFO L895 garLoopResultBuilder]: At program point L1019(line 1019) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,007 INFO L895 garLoopResultBuilder]: At program point L1019-1(line 1019) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1013 1035) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1013 1035) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 971 994) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L989(line 989) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L988(line 988) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 971 994) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2023-04-03 01:11:43,007 INFO L899 garLoopResultBuilder]: For program point L982(line 982) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L981(line 981) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 971 994) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 353 371) the Hoare annotation is: true [2023-04-03 01:11:43,009 INFO L902 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: true [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point L360-1(line 360) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 353 371) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 907 913) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 907 913) the Hoare annotation is: true [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 796 841) no Hoare annotation was computed. [2023-04-03 01:11:43,009 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 796 841) no Hoare annotation was computed. [2023-04-03 01:11:43,010 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 453 466) the Hoare annotation is: true [2023-04-03 01:11:43,010 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 453 466) no Hoare annotation was computed. [2023-04-03 01:11:43,010 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2023-04-03 01:11:43,010 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 241) no Hoare annotation was computed. [2023-04-03 01:11:43,010 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2023-04-03 01:11:43,010 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,010 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2023-04-03 01:11:43,011 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= 0 processEnvironment_~tmp~3) (= ~pumpRunning~0 1)) .cse3) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3))) [2023-04-03 01:11:43,011 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 220 244) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,011 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4 .cse2) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 1)) .cse1 .cse3 .cse4 .cse2))) [2023-04-03 01:11:43,011 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2023-04-03 01:11:43,013 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:43,013 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2023-04-03 01:11:43,013 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2023-04-03 01:11:43,013 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 54 117) no Hoare annotation was computed. [2023-04-03 01:11:43,013 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:11:43,013 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 117) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:11:43,014 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse4) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-03 01:11:43,014 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2023-04-03 01:11:43,014 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse4 .cse1) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse5) (and .cse4 .cse1 .cse2 .cse5))) [2023-04-03 01:11:43,014 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-04-03 01:11:43,014 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-04-03 01:11:43,014 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse4 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse6 .cse0) (and .cse0 .cse1 .cse5 (= ~switchedOnBeforeTS~0 1) .cse3) (and .cse6 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse2))) [2023-04-03 01:11:43,014 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse3 (= ~waterLevel~0 1)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6) (and .cse0 .cse7 .cse1 .cse6) (and .cse0 .cse7 .cse1 .cse5) (and .cse1 .cse2 .cse4 (= ~switchedOnBeforeTS~0 1) .cse8) (and .cse7 .cse1 .cse2 .cse8) (and .cse0 .cse1 .cse3 .cse6))) [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 54 117) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 245 252) 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) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 245 252) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 467 475) the Hoare annotation is: true [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 467 475) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 421 443) no Hoare annotation was computed. [2023-04-03 01:11:43,015 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 421 443) no Hoare annotation was computed. [2023-04-03 01:11:43,016 INFO L899 garLoopResultBuilder]: For program point L258-1(line 258) no Hoare annotation was computed. [2023-04-03 01:11:43,016 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 253 269) no Hoare annotation was computed. [2023-04-03 01:11:43,016 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 269) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:43,016 INFO L895 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~4 0)) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:43,016 INFO L899 garLoopResultBuilder]: For program point L264-1(lines 253 269) no Hoare annotation was computed. [2023-04-03 01:11:43,016 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2023-04-03 01:11:43,017 INFO L895 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:43,017 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 334 352) no Hoare annotation was computed. [2023-04-03 01:11:43,017 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 334 352) the Hoare annotation is: true [2023-04-03 01:11:43,017 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2023-04-03 01:11:43,017 INFO L899 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2023-04-03 01:11:43,017 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 444 452) the Hoare annotation is: true [2023-04-03 01:11:43,017 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 444 452) no Hoare annotation was computed. [2023-04-03 01:11:43,017 INFO L895 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not .cse10)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse2 (<= ~waterLevel~0 1) .cse10 .cse9 .cse3))) (and (or .cse0 .cse1 (and .cse2 (= 2 ~waterLevel~0) .cse3) .cse4) (or .cse0 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or (let ((.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 .cse8 .cse4) (or .cse6 .cse1 .cse8))) (and (= ~switchedOnBeforeTS~0 1) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse9)) (= ~pumpRunning~0 1)) (< 2 |old(~waterLevel~0)|)) (or .cse5 .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse7)))) [2023-04-03 01:11:43,017 INFO L895 garLoopResultBuilder]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse17 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse15 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse17))) (.cse16 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse10 (= ~switchedOnBeforeTS~0 0))) (let ((.cse6 (and .cse0 .cse8 .cse10)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse5 (not .cse16)) (.cse13 (and .cse0 (<= ~waterLevel~0 1) .cse16 .cse17 .cse10)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse14 (and .cse0 .cse15 (<= 1 ~switchedOnBeforeTS~0))) (.cse9 (= ~pumpRunning~0 1)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| 1) .cse4) (or .cse5 .cse2 .cse6 .cse7 (and .cse8 .cse9)) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 (and .cse0 (= ~waterLevel~0 1) .cse10) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse11 .cse12 .cse5 .cse2 .cse13) (or .cse11 .cse12 .cse1 .cse2 .cse3 .cse14) (or .cse11 .cse5 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse13) (or (and (or .cse2 .cse3 .cse7) (or .cse12 .cse2 .cse3)) .cse14 (and (= ~switchedOnBeforeTS~0 1) .cse15 .cse9) .cse4))))) [2023-04-03 01:11:43,018 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (let ((.cse3 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 (< |old(~waterLevel~0)| 2) .cse3) (or .cse4 .cse1 .cse3))) (and (= ~switchedOnBeforeTS~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse0 .cse1))) [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point L140(lines 136 158) no Hoare annotation was computed. [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 133 159) no Hoare annotation was computed. [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point L138(lines 136 158) no Hoare annotation was computed. [2023-04-03 01:11:43,018 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 133 159) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 2))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not .cse6)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (or (and (= ~switchedOnBeforeTS~0 1) .cse5) .cse6) .cse7) (and (or .cse2 .cse8 .cse3) (or .cse0 .cse2 .cse8)) .cse9) (or .cse10 .cse0 .cse1 .cse2 (and .cse11 .cse7 .cse4)) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse11 (= ~waterLevel~0 1))) (or .cse2 .cse8 (<= |old(~waterLevel~0)| 1) .cse9 .cse5) (or .cse1 .cse2 (and .cse11 (= 2 ~waterLevel~0)) .cse3) (or .cse1 .cse12 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse9) (or .cse10 .cse1 (and .cse11 .cse7) .cse12 .cse2)))) [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 133 159) no Hoare annotation was computed. [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 941 970) no Hoare annotation was computed. [2023-04-03 01:11:43,018 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point L955-1(lines 955 959) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point L951-2(lines 951 965) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point L947(line 947) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point L947-1(line 947) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 941 970) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point L966(lines 941 970) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 412 420) the Hoare annotation is: true [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 412 420) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 376 387) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 376 387) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 168 192) no Hoare annotation was computed. [2023-04-03 01:11:43,019 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:43,019 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2023-04-03 01:11:43,020 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0) (<= 2 ~waterLevel~0))) .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:11:43,020 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:11:43,020 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2023-04-03 01:11:43,020 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,020 INFO L899 garLoopResultBuilder]: For program point L174-1(line 174) no Hoare annotation was computed. [2023-04-03 01:11:43,020 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2023-04-03 01:11:43,020 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 192) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,020 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 388 399) no Hoare annotation was computed. [2023-04-03 01:11:43,020 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 388 399) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 0))) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse16 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= 1 ~systemActive~0))) (.cse14 (<= |old(~waterLevel~0)| 1)) (.cse15 (< 2 |old(~waterLevel~0)|))) (let ((.cse8 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (and (or .cse5 .cse16 .cse7) (or .cse7 .cse14 .cse15))) (.cse3 (not (= ~pumpRunning~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse12 (= 2 ~waterLevel~0)) (.cse2 (not .cse10)) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse11 (and (or .cse6 .cse7 .cse14 .cse15) (or .cse5 .cse16 .cse6 .cse7)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse6 .cse7 (< ~switchedOnBeforeTS~0 1) .cse9) (or .cse1 .cse10 .cse4 .cse11) (or .cse5 .cse7 .cse2 .cse3 .cse8 .cse9) (or .cse0 .cse12 .cse2 .cse3 .cse13) (or .cse12 .cse10 .cse13 .cse11) (or .cse1 .cse2 .cse4 .cse11) (or .cse12 .cse2 .cse13 .cse11)))) [2023-04-03 01:11:43,020 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 931 938) the Hoare annotation is: true [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 914 920) the Hoare annotation is: true [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 914 920) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 845 852) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 845 852) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 853 862) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point L858(line 858) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 862) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (or .cse3 .cse0 (= 2 ~waterLevel~0) .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))) (or .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)))) [2023-04-03 01:11:43,021 INFO L895 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse1 (not (= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2023-04-03 01:11:43,021 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 863 891) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 885) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 863 891) the Hoare annotation is: true [2023-04-03 01:11:43,022 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~pumpRunning~0 1))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse6 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse3 .cse6) (or .cse7 .cse0 .cse1 .cse6) (or .cse7 .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse4 .cse5 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 888) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L871-1(lines 863 891) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L902 garLoopResultBuilder]: At program point L869(line 869) the Hoare annotation is: true [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L869-1(line 869) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L895 garLoopResultBuilder]: At program point L208(line 208) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:43,022 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 218) no Hoare annotation was computed. [2023-04-03 01:11:43,022 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 210) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:43,023 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point L200-1(line 200) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 215) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 289 297) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 289 297) the Hoare annotation is: true [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 298 333) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point L328-1(line 328) no Hoare annotation was computed. [2023-04-03 01:11:43,023 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 298 333) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 483 528) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 483 528) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L895 garLoopResultBuilder]: At program point L1007(line 1007) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 1002 1012) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1002 1012) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 1002 1012) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L902 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: true [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 278 288) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L899 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2023-04-03 01:11:43,024 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 288) the Hoare annotation is: true [2023-04-03 01:11:43,025 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2023-04-03 01:11:43,025 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 277) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2023-04-03 01:11:43,025 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 750 795) no Hoare annotation was computed. [2023-04-03 01:11:43,025 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 750 795) no Hoare annotation was computed. [2023-04-03 01:11:43,025 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2023-04-03 01:11:43,026 INFO L899 garLoopResultBuilder]: For program point L696-2(lines 696 716) no Hoare annotation was computed. [2023-04-03 01:11:43,026 INFO L899 garLoopResultBuilder]: For program point L717(lines 695 718) no Hoare annotation was computed. [2023-04-03 01:11:43,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 647 749) no Hoare annotation was computed. [2023-04-03 01:11:43,026 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 647 749) no Hoare annotation was computed. [2023-04-03 01:11:43,026 INFO L899 garLoopResultBuilder]: For program point L676(lines 676 692) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L697(lines 696 716) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L728(line 728) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L728-1(line 728) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 734) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 647 749) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point L712-1(line 712) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 897 906) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 897 906) no Hoare annotation was computed. [2023-04-03 01:11:43,027 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 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 411) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse8 (<= ~waterLevel~0 1)) (.cse9 (not .cse1)) (.cse10 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not .cse7)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (let ((.cse4 (not (= ~pumpRunning~0 1)))) (and (or .cse2 .cse3 .cse4 (< ~waterLevel~0 2)) (or .cse2 .cse3 .cse4 .cse5)))) (or .cse0 .cse6 .cse3 .cse7 .cse8 .cse9) (or .cse2 .cse6 (< ~waterLevel~0 1) .cse1 .cse3 (< 1 ~waterLevel~0)) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse8) (or .cse0 .cse6 .cse3 .cse7 .cse10 .cse9) (or .cse0 .cse6 .cse3 .cse7 .cse9 .cse5) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse10) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse5)))) [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 400 411) no Hoare annotation was computed. [2023-04-03 01:11:43,027 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:43,028 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:11:43,028 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 995 1001) no Hoare annotation was computed. [2023-04-03 01:11:43,028 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 995 1001) the Hoare annotation is: true [2023-04-03 01:11:43,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:43,028 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:43,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:11:43,028 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:11:43,031 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:43,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:11:43,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:11:43 BoogieIcfgContainer [2023-04-03 01:11:43,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:11:43,056 INFO L158 Benchmark]: Toolchain (without parser) took 62532.09ms. Allocated memory was 296.7MB in the beginning and 920.6MB in the end (delta: 623.9MB). Free memory was 238.4MB in the beginning and 661.4MB in the end (delta: -423.0MB). Peak memory consumption was 544.6MB. Max. memory is 8.0GB. [2023-04-03 01:11:43,056 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:11:43,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.19ms. Allocated memory is still 296.7MB. Free memory was 238.1MB in the beginning and 219.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:11:43,056 INFO L158 Benchmark]: Boogie Preprocessor took 106.12ms. Allocated memory is still 296.7MB. Free memory was 219.1MB in the beginning and 215.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:11:43,056 INFO L158 Benchmark]: RCFGBuilder took 949.71ms. Allocated memory is still 296.7MB. Free memory was 215.3MB in the beginning and 209.3MB in the end (delta: 6.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-04-03 01:11:43,057 INFO L158 Benchmark]: TraceAbstraction took 61025.13ms. Allocated memory was 296.7MB in the beginning and 920.6MB in the end (delta: 623.9MB). Free memory was 208.8MB in the beginning and 661.4MB in the end (delta: -452.6MB). Peak memory consumption was 514.2MB. Max. memory is 8.0GB. [2023-04-03 01:11:43,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.19ms. Allocated memory is still 296.7MB. Free memory was 238.1MB in the beginning and 219.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 106.12ms. Allocated memory is still 296.7MB. Free memory was 219.1MB in the beginning and 215.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 949.71ms. Allocated memory is still 296.7MB. Free memory was 215.3MB in the beginning and 209.3MB in the end (delta: 6.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 61025.13ms. Allocated memory was 296.7MB in the beginning and 920.6MB in the end (delta: 623.9MB). Free memory was 208.8MB in the beginning and 661.4MB in the end (delta: -452.6MB). Peak memory consumption was 514.2MB. 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: 935]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2417 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2344 mSDsluCounter, 8011 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6638 mSDsCounter, 1471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10306 IncrementalHoareTripleChecker+Invalid, 11777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1471 mSolverCounterUnsat, 1373 mSDtfsCounter, 10306 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2056 GetRequests, 1564 SyntacticMatches, 70 SemanticMatches, 422 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20788 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2005occurred in iteration=9, InterpolantAutomatonStates: 175, 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, 10 MinimizatonAttempts, 604 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 3179 PreInvPairs, 3434 NumberOfFragments, 3314 HoareAnnotationTreeSize, 3179 FomulaSimplifications, 57708 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 56539 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1695 NumberOfCodeBlocks, 1695 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2273 ConstructedInterpolants, 0 QuantifiedInterpolants, 4232 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2027 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 845/1019 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: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || (((2 == waterLevel && splverifierCounter == 0) && methaneLevelCritical == 0) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:11:43,085 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...