/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_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:37,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:37,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:38,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:38,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:38,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:38,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:38,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:38,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:38,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:38,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:38,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:38,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:38,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:38,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:38,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:38,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:38,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:38,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:38,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:38,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:38,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:38,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:38,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:38,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:38,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:38,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:38,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:38,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:38,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:38,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:38,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:38,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:38,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:38,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:38,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:38,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:38,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:38,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:38,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:38,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:38,075 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 01:02:38,090 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:38,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:38,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:38,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:38,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:38,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:38,092 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:38,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:38,092 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:38,092 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:38,093 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:38,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:38,093 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:38,093 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:38,093 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:38,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:38,094 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:38,094 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:38,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:38,095 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:38,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:38,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:38,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:38,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:38,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:38,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:38,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:38,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:38,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:38,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:38,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:38,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:38,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:38,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:38,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:38,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:38,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:38,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:38,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:38,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:38,314 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:38,316 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:38,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2023-04-03 01:02:39,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:39,660 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:39,661 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2023-04-03 01:02:39,670 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b697ef5/e50b079353a54b669591dffe2ceabfee/FLAG8875db15e [2023-04-03 01:02:39,683 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b697ef5/e50b079353a54b669591dffe2ceabfee [2023-04-03 01:02:39,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:39,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:39,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:39,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:39,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:39,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:39" (1/1) ... [2023-04-03 01:02:39,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782998cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:39, skipping insertion in model container [2023-04-03 01:02:39,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:39" (1/1) ... [2023-04-03 01:02:39,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:39,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:39,959 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_spec3_product46.cil.c[18431,18444] [2023-04-03 01:02:39,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:39,972 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:40,017 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_spec3_product46.cil.c[18431,18444] [2023-04-03 01:02:40,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:40,029 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40 WrapperNode [2023-04-03 01:02:40,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:40,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:40,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:40,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:40,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:40,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:40,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:40,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:40,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (1/1) ... [2023-04-03 01:02:40,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:40,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:40,118 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 01:02:40,125 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 01:02:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:02:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:40,335 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:40,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:40,987 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:41,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:41,189 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:41,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:41 BoogieIcfgContainer [2023-04-03 01:02:41,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:41,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:41,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:41,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:41,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:39" (1/3) ... [2023-04-03 01:02:41,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f56e2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:41, skipping insertion in model container [2023-04-03 01:02:41,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:40" (2/3) ... [2023-04-03 01:02:41,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f56e2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:41, skipping insertion in model container [2023-04-03 01:02:41,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:41" (3/3) ... [2023-04-03 01:02:41,209 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2023-04-03 01:02:41,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:41,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:41,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:41,299 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;@1ae14829, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:41,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 71 states have (on average 1.267605633802817) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 30 states have call predecessors, (49), 30 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-04-03 01:02:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:41,316 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:41,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:41,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1300547208, now seen corresponding path program 1 times [2023-04-03 01:02:41,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:41,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497256257] [2023-04-03 01:02:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:41,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:41,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:41,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497256257] [2023-04-03 01:02:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497256257] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:41,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:41,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175452909] [2023-04-03 01:02:41,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:41,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:41,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:41,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:41,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:41,531 INFO L87 Difference]: Start difference. First operand has 153 states, 71 states have (on average 1.267605633802817) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 30 states have call predecessors, (49), 30 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:41,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:41,585 INFO L93 Difference]: Finished difference Result 239 states and 290 transitions. [2023-04-03 01:02:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:41,586 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:41,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:41,592 INFO L225 Difference]: With dead ends: 239 [2023-04-03 01:02:41,592 INFO L226 Difference]: Without dead ends: 120 [2023-04-03 01:02:41,594 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 01:02:41,596 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:41,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:41,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-03 01:02:41,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-03 01:02:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 73 states have internal predecessors, (76), 34 states have call successors, (34), 28 states have call predecessors, (34), 23 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:02:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2023-04-03 01:02:41,624 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 47 [2023-04-03 01:02:41,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:41,624 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2023-04-03 01:02:41,625 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2023-04-03 01:02:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:41,626 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:41,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:41,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:41,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:41,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1298189108, now seen corresponding path program 1 times [2023-04-03 01:02:41,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:41,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062860278] [2023-04-03 01:02:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:41,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:41,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062860278] [2023-04-03 01:02:41,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062860278] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:41,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:41,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:41,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062714914] [2023-04-03 01:02:41,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:41,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:41,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:41,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:41,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:41,690 INFO L87 Difference]: Start difference. First operand 120 states and 139 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:41,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:41,717 INFO L93 Difference]: Finished difference Result 193 states and 224 transitions. [2023-04-03 01:02:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:41,718 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:41,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:41,719 INFO L225 Difference]: With dead ends: 193 [2023-04-03 01:02:41,719 INFO L226 Difference]: Without dead ends: 112 [2023-04-03 01:02:41,719 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 01:02:41,720 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 9 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:41,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 211 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:41,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-04-03 01:02:41,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-04-03 01:02:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 68 states have internal predecessors, (70), 31 states have call successors, (31), 27 states have call predecessors, (31), 23 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2023-04-03 01:02:41,728 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 48 [2023-04-03 01:02:41,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:41,728 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2023-04-03 01:02:41,728 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2023-04-03 01:02:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:02:41,730 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:41,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:41,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:41,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash -420283779, now seen corresponding path program 1 times [2023-04-03 01:02:41,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:41,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90049700] [2023-04-03 01:02:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:41,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:41,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90049700] [2023-04-03 01:02:41,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90049700] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:41,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:41,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:41,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73228814] [2023-04-03 01:02:41,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:41,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:41,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:41,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:41,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:41,864 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:42,083 INFO L93 Difference]: Finished difference Result 202 states and 235 transitions. [2023-04-03 01:02:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:42,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-04-03 01:02:42,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:42,088 INFO L225 Difference]: With dead ends: 202 [2023-04-03 01:02:42,088 INFO L226 Difference]: Without dead ends: 112 [2023-04-03 01:02:42,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:42,090 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 173 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:42,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 315 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-04-03 01:02:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-04-03 01:02:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 67 states have internal predecessors, (69), 31 states have call successors, (31), 27 states have call predecessors, (31), 23 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2023-04-03 01:02:42,110 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 51 [2023-04-03 01:02:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:42,111 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2023-04-03 01:02:42,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2023-04-03 01:02:42,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-03 01:02:42,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:42,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:42,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:42,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:42,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:42,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1525726634, now seen corresponding path program 1 times [2023-04-03 01:02:42,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:42,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886057389] [2023-04-03 01:02:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:42,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:42,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:42,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886057389] [2023-04-03 01:02:42,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886057389] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:42,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:42,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:42,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957264756] [2023-04-03 01:02:42,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:42,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:42,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:42,308 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:42,648 INFO L93 Difference]: Finished difference Result 306 states and 362 transitions. [2023-04-03 01:02:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:42,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 64 [2023-04-03 01:02:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:42,653 INFO L225 Difference]: With dead ends: 306 [2023-04-03 01:02:42,653 INFO L226 Difference]: Without dead ends: 216 [2023-04-03 01:02:42,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 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 01:02:42,662 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 163 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:42,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 156 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-04-03 01:02:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 199. [2023-04-03 01:02:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 107 states have (on average 1.1775700934579438) internal successors, (126), 117 states have internal predecessors, (126), 46 states have call successors, (46), 43 states have call predecessors, (46), 45 states have return successors, (50), 45 states have call predecessors, (50), 42 states have call successors, (50) [2023-04-03 01:02:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 222 transitions. [2023-04-03 01:02:42,696 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 222 transitions. Word has length 64 [2023-04-03 01:02:42,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:42,696 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 222 transitions. [2023-04-03 01:02:42,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 222 transitions. [2023-04-03 01:02:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 01:02:42,703 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:42,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:42,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:42,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:42,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:42,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1300599277, now seen corresponding path program 1 times [2023-04-03 01:02:42,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:42,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390884490] [2023-04-03 01:02:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:42,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:42,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:42,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390884490] [2023-04-03 01:02:42,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390884490] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:42,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:42,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:42,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110242561] [2023-04-03 01:02:42,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:42,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:42,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:42,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:42,845 INFO L87 Difference]: Start difference. First operand 199 states and 222 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:42,963 INFO L93 Difference]: Finished difference Result 491 states and 564 transitions. [2023-04-03 01:02:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:42,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 73 [2023-04-03 01:02:42,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:42,967 INFO L225 Difference]: With dead ends: 491 [2023-04-03 01:02:42,968 INFO L226 Difference]: Without dead ends: 314 [2023-04-03 01:02:42,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:02:42,972 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:42,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 487 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-03 01:02:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 304. [2023-04-03 01:02:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 168 states have (on average 1.1785714285714286) internal successors, (198), 183 states have internal predecessors, (198), 67 states have call successors, (67), 63 states have call predecessors, (67), 68 states have return successors, (78), 68 states have call predecessors, (78), 63 states have call successors, (78) [2023-04-03 01:02:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 343 transitions. [2023-04-03 01:02:43,013 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 343 transitions. Word has length 73 [2023-04-03 01:02:43,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:43,013 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 343 transitions. [2023-04-03 01:02:43,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 343 transitions. [2023-04-03 01:02:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:02:43,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:43,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:43,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:43,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:43,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -590977054, now seen corresponding path program 1 times [2023-04-03 01:02:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109258120] [2023-04-03 01:02:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:43,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:43,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109258120] [2023-04-03 01:02:43,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109258120] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:43,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:43,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:43,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43622103] [2023-04-03 01:02:43,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:43,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:43,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:43,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:43,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:43,283 INFO L87 Difference]: Start difference. First operand 304 states and 343 transitions. Second operand has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:43,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:43,516 INFO L93 Difference]: Finished difference Result 603 states and 699 transitions. [2023-04-03 01:02:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:43,517 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 76 [2023-04-03 01:02:43,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:43,518 INFO L225 Difference]: With dead ends: 603 [2023-04-03 01:02:43,518 INFO L226 Difference]: Without dead ends: 426 [2023-04-03 01:02:43,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:43,519 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 89 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:43,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1214 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-04-03 01:02:43,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 406. [2023-04-03 01:02:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 228 states have (on average 1.1798245614035088) internal successors, (269), 247 states have internal predecessors, (269), 87 states have call successors, (87), 82 states have call predecessors, (87), 90 states have return successors, (109), 91 states have call predecessors, (109), 83 states have call successors, (109) [2023-04-03 01:02:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 465 transitions. [2023-04-03 01:02:43,546 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 465 transitions. Word has length 76 [2023-04-03 01:02:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:43,548 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 465 transitions. [2023-04-03 01:02:43,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 465 transitions. [2023-04-03 01:02:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-03 01:02:43,552 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:43,552 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] [2023-04-03 01:02:43,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:43,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:43,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:43,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1550226389, now seen corresponding path program 1 times [2023-04-03 01:02:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:43,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118556814] [2023-04-03 01:02:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:43,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:02:43,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:43,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118556814] [2023-04-03 01:02:43,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118556814] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256235855] [2023-04-03 01:02:43,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:43,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:43,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:43,676 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 01:02:43,699 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 01:02:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:43,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 29 conjunts are in the unsatisfiable core [2023-04-03 01:02:43,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:43,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:02:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256235855] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:43,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:02:43,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2023-04-03 01:02:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430162294] [2023-04-03 01:02:43,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:43,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 01:02:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:43,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 01:02:43,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:43,968 INFO L87 Difference]: Start difference. First operand 406 states and 465 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (22), 3 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 01:02:44,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:44,290 INFO L93 Difference]: Finished difference Result 1155 states and 1351 transitions. [2023-04-03 01:02:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:02:44,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (22), 3 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 86 [2023-04-03 01:02:44,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:44,294 INFO L225 Difference]: With dead ends: 1155 [2023-04-03 01:02:44,294 INFO L226 Difference]: Without dead ends: 771 [2023-04-03 01:02:44,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:44,296 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 59 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:44,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 466 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-04-03 01:02:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 756. [2023-04-03 01:02:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 434 states have (on average 1.1820276497695852) internal successors, (513), 462 states have internal predecessors, (513), 158 states have call successors, (158), 149 states have call predecessors, (158), 163 states have return successors, (199), 167 states have call predecessors, (199), 154 states have call successors, (199) [2023-04-03 01:02:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 870 transitions. [2023-04-03 01:02:44,402 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 870 transitions. Word has length 86 [2023-04-03 01:02:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:44,402 INFO L495 AbstractCegarLoop]: Abstraction has 756 states and 870 transitions. [2023-04-03 01:02:44,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (22), 3 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 01:02:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 870 transitions. [2023-04-03 01:02:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 01:02:44,425 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:44,425 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] [2023-04-03 01:02:44,433 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 01:02:44,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:44,626 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:44,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2047905780, now seen corresponding path program 1 times [2023-04-03 01:02:44,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:44,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909182137] [2023-04-03 01:02:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:44,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:44,848 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 01:02:44,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:44,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909182137] [2023-04-03 01:02:44,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909182137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:44,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:44,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:02:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073600759] [2023-04-03 01:02:44,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:44,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:02:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:02:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:02:44,850 INFO L87 Difference]: Start difference. First operand 756 states and 870 transitions. Second operand has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:02:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:46,015 INFO L93 Difference]: Finished difference Result 1505 states and 1767 transitions. [2023-04-03 01:02:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:46,015 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 89 [2023-04-03 01:02:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:46,021 INFO L225 Difference]: With dead ends: 1505 [2023-04-03 01:02:46,021 INFO L226 Difference]: Without dead ends: 1121 [2023-04-03 01:02:46,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2023-04-03 01:02:46,026 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 272 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:46,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 224 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 01:02:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2023-04-03 01:02:46,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1087. [2023-04-03 01:02:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 622 states have (on average 1.1720257234726688) internal successors, (729), 668 states have internal predecessors, (729), 226 states have call successors, (226), 212 states have call predecessors, (226), 238 states have return successors, (293), 243 states have call predecessors, (293), 222 states have call successors, (293) [2023-04-03 01:02:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1248 transitions. [2023-04-03 01:02:46,097 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1248 transitions. Word has length 89 [2023-04-03 01:02:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:46,098 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1248 transitions. [2023-04-03 01:02:46,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:02:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1248 transitions. [2023-04-03 01:02:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 01:02:46,100 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:46,101 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] [2023-04-03 01:02:46,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:02:46,101 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:46,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 124996833, now seen corresponding path program 1 times [2023-04-03 01:02:46,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:46,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39365689] [2023-04-03 01:02:46,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,210 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 01:02:46,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:46,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39365689] [2023-04-03 01:02:46,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39365689] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:46,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:46,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367553453] [2023-04-03 01:02:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:46,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:46,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:46,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:46,212 INFO L87 Difference]: Start difference. First operand 1087 states and 1248 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:46,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:46,405 INFO L93 Difference]: Finished difference Result 2164 states and 2487 transitions. [2023-04-03 01:02:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:46,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2023-04-03 01:02:46,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:46,409 INFO L225 Difference]: With dead ends: 2164 [2023-04-03 01:02:46,409 INFO L226 Difference]: Without dead ends: 1099 [2023-04-03 01:02:46,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:46,413 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 72 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:46,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1217 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2023-04-03 01:02:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1003. [2023-04-03 01:02:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 564 states have (on average 1.1347517730496455) internal successors, (640), 606 states have internal predecessors, (640), 210 states have call successors, (210), 196 states have call predecessors, (210), 228 states have return successors, (251), 227 states have call predecessors, (251), 206 states have call successors, (251) [2023-04-03 01:02:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1101 transitions. [2023-04-03 01:02:46,497 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1101 transitions. Word has length 89 [2023-04-03 01:02:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:46,498 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1101 transitions. [2023-04-03 01:02:46,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1101 transitions. [2023-04-03 01:02:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 01:02:46,501 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:46,501 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:02:46,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 01:02:46,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:46,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2066435661, now seen corresponding path program 1 times [2023-04-03 01:02:46,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:46,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654229861] [2023-04-03 01:02:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-03 01:02:46,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654229861] [2023-04-03 01:02:46,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654229861] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488530368] [2023-04-03 01:02:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:46,612 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 01:02:46,637 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 01:02:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:46,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 01:02:46,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-03 01:02:47,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488530368] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:47,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:47,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2023-04-03 01:02:47,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509208151] [2023-04-03 01:02:47,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:47,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:47,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:47,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-04-03 01:02:47,192 INFO L87 Difference]: Start difference. First operand 1003 states and 1101 transitions. Second operand has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-03 01:02:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:47,476 INFO L93 Difference]: Finished difference Result 2282 states and 2550 transitions. [2023-04-03 01:02:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:47,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 127 [2023-04-03 01:02:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:47,481 INFO L225 Difference]: With dead ends: 2282 [2023-04-03 01:02:47,482 INFO L226 Difference]: Without dead ends: 1556 [2023-04-03 01:02:47,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2023-04-03 01:02:47,484 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 185 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:47,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 476 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2023-04-03 01:02:47,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1468. [2023-04-03 01:02:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 829 states have (on average 1.1278648974668275) internal successors, (935), 888 states have internal predecessors, (935), 303 states have call successors, (303), 284 states have call predecessors, (303), 335 states have return successors, (372), 331 states have call predecessors, (372), 299 states have call successors, (372) [2023-04-03 01:02:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1610 transitions. [2023-04-03 01:02:47,564 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1610 transitions. Word has length 127 [2023-04-03 01:02:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:47,564 INFO L495 AbstractCegarLoop]: Abstraction has 1468 states and 1610 transitions. [2023-04-03 01:02:47,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-03 01:02:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1610 transitions. [2023-04-03 01:02:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 01:02:47,567 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:47,567 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:47,587 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 01:02:47,773 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,SelfDestructingSolverStorable9 [2023-04-03 01:02:47,773 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:47,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1905583189, now seen corresponding path program 1 times [2023-04-03 01:02:47,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:47,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596390049] [2023-04-03 01:02:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:02:48,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:48,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596390049] [2023-04-03 01:02:48,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596390049] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:48,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785388946] [2023-04-03 01:02:48,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:48,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:48,113 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 01:02:48,114 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 01:02:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:02:48,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-03 01:02:48,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:02:48,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785388946] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:48,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:02:48,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 18 [2023-04-03 01:02:48,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169657614] [2023-04-03 01:02:48,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:48,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:02:48,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:48,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:02:48,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:02:48,279 INFO L87 Difference]: Start difference. First operand 1468 states and 1610 transitions. Second operand has 11 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 6 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 01:02:48,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,576 INFO L93 Difference]: Finished difference Result 2997 states and 3412 transitions. [2023-04-03 01:02:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:48,577 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 6 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) Word has length 135 [2023-04-03 01:02:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,577 INFO L225 Difference]: With dead ends: 2997 [2023-04-03 01:02:48,578 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:48,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2023-04-03 01:02:48,582 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 56 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1198 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:48,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:48,583 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 01:02:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:48,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2023-04-03 01:02:48,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,584 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:48,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 6 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 01:02:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:48,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:48,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:48,605 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 01:02:48,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:48,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:52,676 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L225(lines 202 226) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 213) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 178 233) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L286(lines 259 287) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2023-04-03 01:02:52,677 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 270) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 234 293) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2023-04-03 01:02:52,683 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 116 124) no Hoare annotation was computed. [2023-04-03 01:02:52,686 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 116 124) the Hoare annotation is: true [2023-04-03 01:02:52,686 INFO L899 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2023-04-03 01:02:52,687 INFO L895 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,687 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,688 INFO L895 garLoopResultBuilder]: At program point L575-1(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 569 591) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 569 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,688 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,688 INFO L895 garLoopResultBuilder]: At program point L581-1(line 581) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L579-1(lines 579 586) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 527 550) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 527 550) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-03 01:02:52,688 INFO L899 garLoopResultBuilder]: For program point L538(line 538) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L532(line 532) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 527 550) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 102 108) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 102 108) the Hoare annotation is: true [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 445 490) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 675 688) the Hoare annotation is: true [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 675 688) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:52,689 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-04-03 01:02:52,689 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 754 778) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 754 778) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point L773-1(lines 754 778) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 896 961) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5)))) [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point L938(line 938) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5)))) [2023-04-03 01:02:52,690 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 961) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,690 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5)))) [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 (< ~waterLevel~0 2)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5)))) [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (or .cse0 (= ~methaneLevelCritical~0 1))) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5)))) [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 896 961) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 643 665) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 643 665) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= activatePump_~tmp~7 0))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L798-1(lines 787 803) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 787 803) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 787 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:52,691 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:52,692 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2023-04-03 01:02:52,692 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 674) the Hoare annotation is: true [2023-04-03 01:02:52,696 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 666 674) no Hoare annotation was computed. [2023-04-03 01:02:52,696 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 868 886) no Hoare annotation was computed. [2023-04-03 01:02:52,697 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2023-04-03 01:02:52,697 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-04-03 01:02:52,697 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 868 886) the Hoare annotation is: true [2023-04-03 01:02:52,697 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-04-03 01:02:52,700 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2023-04-03 01:02:52,701 INFO L895 garLoopResultBuilder]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:52,701 INFO L899 garLoopResultBuilder]: For program point L700(lines 699 718) no Hoare annotation was computed. [2023-04-03 01:02:52,701 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2023-04-03 01:02:52,701 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 696 719) the Hoare annotation is: (let ((.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)) (or (and .cse2 (= ~pumpRunning~0 1)) .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse3 (and (= ~pumpRunning~0 0) .cse2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2023-04-03 01:02:52,701 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2023-04-03 01:02:52,701 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (<= 2 |old(~waterLevel~0)|) .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse3 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2023-04-03 01:02:52,701 INFO L895 garLoopResultBuilder]: At program point L707(lines 707 713) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse5 .cse0 (<= 2 |old(~waterLevel~0)|) .cse2) (or .cse5 .cse6 .cse0 .cse1 (and .cse4 .cse7)) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)) (or (and .cse7 .cse3) .cse5 .cse0 .cse1 (not .cse6) (and .cse4 (not (= 2 ~waterLevel~0)) .cse7)))) [2023-04-03 01:02:52,701 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2023-04-03 01:02:52,701 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 494 523) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 598 609) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 3 |old(~waterLevel~0)|) (not (= ~pumpRunning~0 1)) (< ~waterLevel~0 3)) [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 887 894) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 887 894) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse2 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1)) .cse2) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 963 970) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 963 970) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 109 115) the Hoare annotation is: true [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-03 01:02:52,702 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point L734-1(line 734) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 752) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__methaneQuery_~tmp~5 1) (not (= 2 ~waterLevel~0))))) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 823 831) the Hoare annotation is: true [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 832 867) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 832 867) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 132 177) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 559 568) no Hoare annotation was computed. [2023-04-03 01:02:52,703 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 559 568) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 559 568) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L902 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 822) the Hoare annotation is: true [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 804 811) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 399 444) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 779 786) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 779 786) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 92 101) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 92 101) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L366(lines 344 367) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 296 398) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 341) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L346(lines 345 365) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L377-1(line 377) no Hoare annotation was computed. [2023-04-03 01:02:52,704 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 383) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L361-1(line 361) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 633) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L902 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: true [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 54 86) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (<= 2 ~waterLevel~0)) (or .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2023-04-03 01:02:52,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 86) the Hoare annotation is: true [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 ~waterLevel~0))) (and (or (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse3 .cse0 (<= 2 ~waterLevel~0)) (or .cse4 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1))) [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2023-04-03 01:02:52,705 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 54 86) no Hoare annotation was computed. [2023-04-03 01:02:52,706 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2023-04-03 01:02:52,706 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-04-03 01:02:52,706 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 551 557) no Hoare annotation was computed. [2023-04-03 01:02:52,706 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 551 557) the Hoare annotation is: true [2023-04-03 01:02:52,706 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:52,706 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)) [2023-04-03 01:02:52,706 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:52,706 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:52,708 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:52,710 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:52,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:52 BoogieIcfgContainer [2023-04-03 01:02:52,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:52,755 INFO L158 Benchmark]: Toolchain (without parser) took 13069.74ms. Allocated memory was 278.9MB in the beginning and 530.6MB in the end (delta: 251.7MB). Free memory was 226.9MB in the beginning and 282.6MB in the end (delta: -55.7MB). Peak memory consumption was 245.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:52,755 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:52,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.95ms. Allocated memory is still 278.9MB. Free memory was 226.3MB in the beginning and 207.9MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:52,756 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 278.9MB. Free memory was 207.9MB in the beginning and 204.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:52,756 INFO L158 Benchmark]: RCFGBuilder took 1122.06ms. Allocated memory is still 278.9MB. Free memory was 204.3MB in the beginning and 227.0MB in the end (delta: -22.7MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:52,756 INFO L158 Benchmark]: TraceAbstraction took 11549.52ms. Allocated memory was 278.9MB in the beginning and 530.6MB in the end (delta: 251.7MB). Free memory was 226.0MB in the beginning and 282.6MB in the end (delta: -56.6MB). Peak memory consumption was 243.3MB. Max. memory is 8.0GB. [2023-04-03 01:02:52,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.95ms. Allocated memory is still 278.9MB. Free memory was 226.3MB in the beginning and 207.9MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.05ms. Allocated memory is still 278.9MB. Free memory was 207.9MB in the beginning and 204.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1122.06ms. Allocated memory is still 278.9MB. Free memory was 204.3MB in the beginning and 227.0MB in the end (delta: -22.7MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. * TraceAbstraction took 11549.52ms. Allocated memory was 278.9MB in the beginning and 530.6MB in the end (delta: 251.7MB). Free memory was 226.0MB in the beginning and 282.6MB in the end (delta: -56.6MB). Peak memory consumption was 243.3MB. 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: 967]: 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 41 procedures, 192 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1179 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1149 mSDsluCounter, 6096 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4869 mSDsCounter, 428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3915 IncrementalHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 428 mSolverCounterUnsat, 1227 mSDtfsCounter, 3915 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1468occurred in iteration=10, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3037 PreInvPairs, 3183 NumberOfFragments, 1693 HoareAnnotationTreeSize, 3037 FomulaSimplifications, 5943 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 19816 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1233 NumberOfCodeBlocks, 1233 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1345 ConstructedInterpolants, 0 QuantifiedInterpolants, 2539 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1361 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 184/202 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: 905]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel < 2)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel < 3) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || (((((!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1) && splverifierCounter == 0) && 1 == systemActive) && waterLevel < 3) && pumpRunning == 1)) || ((((pumpRunning == 0 && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && splverifierCounter == 0) && 1 == systemActive) && waterLevel < 3) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:52,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...