/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:28,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:28,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:28,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:28,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:28,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:28,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:28,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:28,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:28,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:28,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:28,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:28,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:28,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:28,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:28,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:28,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:28,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:28,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:28,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:28,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:28,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:28,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:28,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:28,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:28,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:28,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:28,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:28,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:28,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:28,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:28,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:28,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:28,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:28,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:28,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:28,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:28,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:28,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:28,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:28,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:28,172 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 01:02:28,196 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:28,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:28,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:28,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:28,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:28,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:28,197 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:28,198 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:28,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:28,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:28,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:28,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:28,199 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:28,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:28,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:28,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:28,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:28,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:28,400 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:28,404 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:28,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2023-04-03 01:02:29,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:29,695 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:29,695 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2023-04-03 01:02:29,703 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7991f1798/530128f36862411ea3d6236c9cfc8052/FLAGbbb0add18 [2023-04-03 01:02:29,714 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7991f1798/530128f36862411ea3d6236c9cfc8052 [2023-04-03 01:02:29,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:29,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:29,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:29,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:29,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:29,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa050df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:29, skipping insertion in model container [2023-04-03 01:02:29,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:29" (1/1) ... [2023-04-03 01:02:29,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:29,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:29,949 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_product34.cil.c[16171,16184] [2023-04-03 01:02:29,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:29,968 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:30,021 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_product34.cil.c[16171,16184] [2023-04-03 01:02:30,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:30,040 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:30,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30 WrapperNode [2023-04-03 01:02:30,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:30,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:30,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:30,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:30,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:30,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:30,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:30,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:30,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (1/1) ... [2023-04-03 01:02:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:30,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:30,137 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 01:02:30,138 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 01:02:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:30,284 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:30,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:30,732 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:30,839 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:30,839 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:30,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:30 BoogieIcfgContainer [2023-04-03 01:02:30,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:30,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:30,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:30,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:30,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:29" (1/3) ... [2023-04-03 01:02:30,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee47a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:30, skipping insertion in model container [2023-04-03 01:02:30,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:30" (2/3) ... [2023-04-03 01:02:30,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee47a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:30, skipping insertion in model container [2023-04-03 01:02:30,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:30" (3/3) ... [2023-04-03 01:02:30,850 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2023-04-03 01:02:30,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:30,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:30,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:30,915 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;@6a28182a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:30,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-04-03 01:02:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:30,925 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:30,925 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 01:02:30,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:30,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:30,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2095236196, now seen corresponding path program 1 times [2023-04-03 01:02:30,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737406409] [2023-04-03 01:02:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,087 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 01:02:31,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737406409] [2023-04-03 01:02:31,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737406409] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:31,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620150699] [2023-04-03 01:02:31,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:31,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:31,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:31,129 INFO L87 Difference]: Start difference. First operand has 132 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 states have internal predecessors, (76), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) 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 01:02:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,195 INFO L93 Difference]: Finished difference Result 193 states and 232 transitions. [2023-04-03 01:02:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:31,197 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 01:02:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,203 INFO L225 Difference]: With dead ends: 193 [2023-04-03 01:02:31,203 INFO L226 Difference]: Without dead ends: 97 [2023-04-03 01:02:31,207 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 01:02:31,211 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-04-03 01:02:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-04-03 01:02:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 50 states have (on average 1.22) internal successors, (61), 58 states have internal predecessors, (61), 27 states have call successors, (27), 24 states have call predecessors, (27), 19 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-04-03 01:02:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2023-04-03 01:02:31,261 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2023-04-03 01:02:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,261 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2023-04-03 01:02:31,262 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 01:02:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2023-04-03 01:02:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:31,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,264 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 01:02:31,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:31,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash -586388235, now seen corresponding path program 1 times [2023-04-03 01:02:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961890061] [2023-04-03 01:02:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,358 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 01:02:31,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961890061] [2023-04-03 01:02:31,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961890061] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:31,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170533122] [2023-04-03 01:02:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:31,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:31,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:31,363 INFO L87 Difference]: Start difference. First operand 97 states and 110 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 01:02:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,411 INFO L93 Difference]: Finished difference Result 147 states and 166 transitions. [2023-04-03 01:02:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:31,411 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 01:02:31,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,412 INFO L225 Difference]: With dead ends: 147 [2023-04-03 01:02:31,412 INFO L226 Difference]: Without dead ends: 89 [2023-04-03 01:02:31,413 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 01:02:31,414 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 9 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 157 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-04-03 01:02:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-04-03 01:02:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 53 states have internal predecessors, (55), 24 states have call successors, (24), 23 states have call predecessors, (24), 19 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-03 01:02:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2023-04-03 01:02:31,422 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 48 [2023-04-03 01:02:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2023-04-03 01:02:31,422 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 01:02:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2023-04-03 01:02:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:02:31,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,423 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 01:02:31,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:31,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1576871151, now seen corresponding path program 1 times [2023-04-03 01:02:31,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098537207] [2023-04-03 01:02:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,655 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 01:02:31,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098537207] [2023-04-03 01:02:31,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098537207] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:31,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968153557] [2023-04-03 01:02:31,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:31,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:31,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:31,657 INFO L87 Difference]: Start difference. First operand 89 states and 99 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 01:02:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:31,818 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2023-04-03 01:02:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:31,818 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 01:02:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:31,821 INFO L225 Difference]: With dead ends: 156 [2023-04-03 01:02:31,822 INFO L226 Difference]: Without dead ends: 89 [2023-04-03 01:02:31,827 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 01:02:31,829 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 88 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:31,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 236 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:31,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-04-03 01:02:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-04-03 01:02:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 45 states have (on average 1.2) internal successors, (54), 52 states have internal predecessors, (54), 24 states have call successors, (24), 23 states have call predecessors, (24), 19 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-03 01:02:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2023-04-03 01:02:31,842 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 51 [2023-04-03 01:02:31,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:31,842 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2023-04-03 01:02:31,842 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 01:02:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-04-03 01:02:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-03 01:02:31,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:31,844 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] [2023-04-03 01:02:31,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:31,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:31,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:31,844 INFO L85 PathProgramCache]: Analyzing trace with hash -790228652, now seen corresponding path program 1 times [2023-04-03 01:02:31,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:31,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565415574] [2023-04-03 01:02:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:31,964 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 01:02:31,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565415574] [2023-04-03 01:02:31,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565415574] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:31,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:31,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:31,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539668847] [2023-04-03 01:02:31,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:31,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:31,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:31,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:31,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:31,967 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:02:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:32,193 INFO L93 Difference]: Finished difference Result 243 states and 284 transitions. [2023-04-03 01:02:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:32,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 59 [2023-04-03 01:02:32,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:32,197 INFO L225 Difference]: With dead ends: 243 [2023-04-03 01:02:32,197 INFO L226 Difference]: Without dead ends: 176 [2023-04-03 01:02:32,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:32,204 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 125 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:32,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 117 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-04-03 01:02:32,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2023-04-03 01:02:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 86 states have (on average 1.197674418604651) internal successors, (103), 94 states have internal predecessors, (103), 37 states have call successors, (37), 37 states have call predecessors, (37), 35 states have return successors, (37), 34 states have call predecessors, (37), 33 states have call successors, (37) [2023-04-03 01:02:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2023-04-03 01:02:32,230 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 59 [2023-04-03 01:02:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:32,230 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2023-04-03 01:02:32,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:02:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2023-04-03 01:02:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-03 01:02:32,232 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:32,232 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] [2023-04-03 01:02:32,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:32,232 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:32,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1939866496, now seen corresponding path program 1 times [2023-04-03 01:02:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:32,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819536210] [2023-04-03 01:02:32,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:32,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:32,359 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 01:02:32,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819536210] [2023-04-03 01:02:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819536210] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:32,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387781574] [2023-04-03 01:02:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:32,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:32,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:32,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:32,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:32,363 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 01:02:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:32,509 INFO L93 Difference]: Finished difference Result 391 states and 451 transitions. [2023-04-03 01:02:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:32,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 68 [2023-04-03 01:02:32,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:32,514 INFO L225 Difference]: With dead ends: 391 [2023-04-03 01:02:32,515 INFO L226 Difference]: Without dead ends: 254 [2023-04-03 01:02:32,516 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 01:02:32,517 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 53 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:32,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 360 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:32,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-04-03 01:02:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 244. [2023-04-03 01:02:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 148 states have internal predecessors, (163), 54 states have call successors, (54), 54 states have call predecessors, (54), 53 states have return successors, (58), 52 states have call predecessors, (58), 50 states have call successors, (58) [2023-04-03 01:02:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 275 transitions. [2023-04-03 01:02:32,555 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 275 transitions. Word has length 68 [2023-04-03 01:02:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:32,555 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 275 transitions. [2023-04-03 01:02:32,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-03 01:02:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 275 transitions. [2023-04-03 01:02:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-03 01:02:32,563 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:32,563 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] [2023-04-03 01:02:32,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:32,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:32,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash 45143435, now seen corresponding path program 1 times [2023-04-03 01:02:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:32,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105784083] [2023-04-03 01:02:32,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:32,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:32,715 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 01:02:32,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:32,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105784083] [2023-04-03 01:02:32,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105784083] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:32,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:32,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:32,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202242279] [2023-04-03 01:02:32,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:32,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:32,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:32,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:32,718 INFO L87 Difference]: Start difference. First operand 244 states and 275 transitions. Second operand has 10 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:02:32,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:32,864 INFO L93 Difference]: Finished difference Result 472 states and 534 transitions. [2023-04-03 01:02:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:32,864 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2023-04-03 01:02:32,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:32,866 INFO L225 Difference]: With dead ends: 472 [2023-04-03 01:02:32,866 INFO L226 Difference]: Without dead ends: 133 [2023-04-03 01:02:32,867 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 01:02:32,868 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 86 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:32,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 745 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:32,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-04-03 01:02:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-04-03 01:02:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 78 states have internal predecessors, (82), 31 states have call successors, (31), 31 states have call predecessors, (31), 27 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2023-04-03 01:02:32,879 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 71 [2023-04-03 01:02:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:32,880 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2023-04-03 01:02:32,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:02:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2023-04-03 01:02:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-03 01:02:32,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:32,884 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] [2023-04-03 01:02:32,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:32,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:32,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:32,888 INFO L85 PathProgramCache]: Analyzing trace with hash -251497669, now seen corresponding path program 1 times [2023-04-03 01:02:32,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:32,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623719034] [2023-04-03 01:02:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:32,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:33,110 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 01:02:33,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:33,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623719034] [2023-04-03 01:02:33,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623719034] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:33,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:33,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:33,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122697411] [2023-04-03 01:02:33,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:33,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:33,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:33,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:33,112 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:33,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:33,242 INFO L93 Difference]: Finished difference Result 212 states and 233 transitions. [2023-04-03 01:02:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-03 01:02:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) Word has length 71 [2023-04-03 01:02:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:33,243 INFO L225 Difference]: With dead ends: 212 [2023-04-03 01:02:33,243 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:33,244 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 01:02:33,245 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 65 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:33,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 528 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:33,245 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 01:02:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:33,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-04-03 01:02:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:33,246 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:33,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:33,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:33,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:33,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:33,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point L467-2(lines 467 488) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 442 497) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point L489(lines 466 490) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 442 497) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point L543-1(line 543) no Hoare annotation was computed. [2023-04-03 01:02:34,268 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 498 557) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point L524-2(lines 524 549) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 498 557) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 498 557) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point L550(lines 523 551) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 920 928) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 920 928) the Hoare annotation is: true [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 198 220) no Hoare annotation was computed. [2023-04-03 01:02:34,269 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:34,269 INFO L895 garLoopResultBuilder]: At program point L210-1(line 210) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-03 01:02:34,269 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 215) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 215) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L895 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,270 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,270 INFO L895 garLoopResultBuilder]: At program point L204-1(line 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,270 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 198 220) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 154 177) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 154 177) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2023-04-03 01:02:34,270 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 154 177) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 906 912) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 906 912) the Hoare annotation is: true [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 709 754) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 709 754) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 880 893) the Hoare annotation is: true [2023-04-03 01:02:34,271 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 880 893) no Hoare annotation was computed. [2023-04-03 01:02:34,271 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)))))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L895 garLoopResultBuilder]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2023-04-03 01:02:34,272 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2023-04-03 01:02:34,272 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:34,272 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 55 120) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 55 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,273 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 55 120) no Hoare annotation was computed. [2023-04-03 01:02:34,273 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 848 870) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 848 870) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 290 297) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-03 01:02:34,274 INFO L902 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: true [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 362 380) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point L369-1(line 369) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 362 380) the Hoare annotation is: true [2023-04-03 01:02:34,274 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 871 879) the Hoare annotation is: true [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 871 879) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)) (or .cse1 (= ~pumpRunning~0 0) .cse0) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)))) [2023-04-03 01:02:34,274 INFO L895 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse2 .cse0 (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))) .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)))) [2023-04-03 01:02:34,274 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point L237(lines 236 255) no Hoare annotation was computed. [2023-04-03 01:02:34,274 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 233 256) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse0 .cse3) (or .cse4 (= ~pumpRunning~0 0) .cse0) (or .cse4 .cse0 (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)))) [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 123 152) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point L148(lines 123 152) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 123 152) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point L137-1(lines 137 141) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point L133-2(lines 133 147) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 839 847) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 839 847) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 803 814) no Hoare annotation was computed. [2023-04-03 01:02:34,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 803 814) the Hoare annotation is: true [2023-04-03 01:02:34,275 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 381 388) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 381 388) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 815 826) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2)) [2023-04-03 01:02:34,276 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 792 799) the Hoare annotation is: true [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 792 799) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 913 919) the Hoare annotation is: true [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 913 919) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 317 325) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 325) the Hoare annotation is: true [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 326 361) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point L356-1(line 356) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 326 361) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 396 441) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 396 441) no Hoare annotation was computed. [2023-04-03 01:02:34,276 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 185 194) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 185 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 185 194) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 306 316) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 306 316) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L311(line 311) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 298 305) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 298 305) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 663 708) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 663 708) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L609-2(lines 609 629) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L630(lines 608 631) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 605) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 560 662) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 560 662) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L610(lines 609 629) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L641(line 641) no Hoare annotation was computed. [2023-04-03 01:02:34,277 INFO L899 garLoopResultBuilder]: For program point L641-1(line 641) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 647) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 560 662) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L625-1(line 625) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 896 905) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 896 905) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 838) the Hoare annotation is: true [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 787) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L902 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: true [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 758 790) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L899 garLoopResultBuilder]: For program point L765-1(line 765) no Hoare annotation was computed. [2023-04-03 01:02:34,278 INFO L895 garLoopResultBuilder]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) .cse0))) [2023-04-03 01:02:34,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 790) the Hoare annotation is: true [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 783) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) .cse0))) [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point L775-1(line 775) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 786) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point L773-1(lines 758 790) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L902 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: true [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point L771-1(line 771) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 178 184) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 178 184) the Hoare annotation is: true [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:02:34,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:34,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:34,281 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:34,283 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:34,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:34 BoogieIcfgContainer [2023-04-03 01:02:34,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:34,292 INFO L158 Benchmark]: Toolchain (without parser) took 4574.69ms. Allocated memory was 237.0MB in the beginning and 287.3MB in the end (delta: 50.3MB). Free memory was 185.4MB in the beginning and 92.5MB in the end (delta: 92.9MB). Peak memory consumption was 144.3MB. Max. memory is 8.0GB. [2023-04-03 01:02:34,292 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:34,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 237.0MB. Free memory was 185.4MB in the beginning and 167.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:34,292 INFO L158 Benchmark]: Boogie Preprocessor took 67.73ms. Allocated memory is still 237.0MB. Free memory was 167.0MB in the beginning and 163.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:34,292 INFO L158 Benchmark]: RCFGBuilder took 733.26ms. Allocated memory is still 237.0MB. Free memory was 163.4MB in the beginning and 180.0MB in the end (delta: -16.6MB). Peak memory consumption was 45.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:34,293 INFO L158 Benchmark]: TraceAbstraction took 3445.80ms. Allocated memory was 237.0MB in the beginning and 287.3MB in the end (delta: 50.3MB). Free memory was 179.5MB in the beginning and 92.5MB in the end (delta: 87.0MB). Peak memory consumption was 137.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:34,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 237.0MB. Free memory was 185.4MB in the beginning and 167.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.73ms. Allocated memory is still 237.0MB. Free memory was 167.0MB in the beginning and 163.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 733.26ms. Allocated memory is still 237.0MB. Free memory was 163.4MB in the beginning and 180.0MB in the end (delta: -16.6MB). Peak memory consumption was 45.2MB. Max. memory is 8.0GB. * TraceAbstraction took 3445.80ms. Allocated memory was 237.0MB in the beginning and 287.3MB in the end (delta: 50.3MB). Free memory was 179.5MB in the beginning and 92.5MB in the end (delta: 87.0MB). Peak memory consumption was 137.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 796]: 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 39 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 2248 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1676 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1011 IncrementalHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 572 mSDtfsCounter, 1011 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=5, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 429 PreInvPairs, 465 NumberOfFragments, 832 HoareAnnotationTreeSize, 429 FomulaSimplifications, 222 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2377 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) && 1 == systemActive) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:34,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...