/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 EqDomain -i ../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 12:03:29,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 12:03:29,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 12:03:29,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 12:03:29,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 12:03:29,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 12:03:29,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 12:03:29,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 12:03:29,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 12:03:29,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 12:03:29,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 12:03:29,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 12:03:29,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 12:03:29,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 12:03:29,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 12:03:29,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 12:03:29,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 12:03:29,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 12:03:29,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 12:03:29,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 12:03:29,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 12:03:29,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 12:03:29,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 12:03:29,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 12:03:29,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 12:03:29,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 12:03:29,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 12:03:29,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 12:03:29,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 12:03:29,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 12:03:29,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 12:03:29,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 12:03:29,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 12:03:29,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 12:03:29,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 12:03:29,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 12:03:29,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 12:03:29,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 12:03:29,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 12:03:29,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 12:03:29,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 12:03:29,445 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 [2023-04-01 12:03:29,466 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 12:03:29,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 12:03:29,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 12:03:29,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 12:03:29,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 12:03:29,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 12:03:29,468 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 12:03:29,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 12:03:29,468 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 12:03:29,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 12:03:29,469 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 12:03:29,469 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 12:03:29,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 12:03:29,470 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 12:03:29,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:03:29,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 12:03:29,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 12:03:29,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 12:03:29,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 12:03:29,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 12:03:29,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 12:03:29,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 12:03:29,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 12:03:29,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 12:03:29,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 12:03:29,686 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 12:03:29,686 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 12:03:29,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2023-04-01 12:03:30,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 12:03:30,930 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 12:03:30,931 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2023-04-01 12:03:30,940 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5352959/3cffebf78d3942008e6359092f868a01/FLAG7ff88a883 [2023-04-01 12:03:30,950 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a5352959/3cffebf78d3942008e6359092f868a01 [2023-04-01 12:03:30,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 12:03:30,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 12:03:30,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 12:03:30,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 12:03:30,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 12:03:30,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:03:30" (1/1) ... [2023-04-01 12:03:30,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d38c03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:30, skipping insertion in model container [2023-04-01 12:03:30,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:03:30" (1/1) ... [2023-04-01 12:03:30,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 12:03:30,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 12:03:31,157 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_product37.cil.c[17206,17219] [2023-04-01 12:03:31,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:03:31,176 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 12:03:31,213 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_product37.cil.c[17206,17219] [2023-04-01 12:03:31,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:03:31,234 INFO L208 MainTranslator]: Completed translation [2023-04-01 12:03:31,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31 WrapperNode [2023-04-01 12:03:31,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 12:03:31,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 12:03:31,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 12:03:31,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 12:03:31,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 12:03:31,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 12:03:31,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 12:03:31,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 12:03:31,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (1/1) ... [2023-04-01 12:03:31,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:03:31,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:03:31,336 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) [2023-04-01 12:03:31,346 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 [2023-04-01 12:03:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 12:03:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 12:03:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 12:03:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 12:03:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 12:03:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 12:03:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 12:03:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 12:03:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 12:03:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 12:03:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 12:03:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 12:03:31,526 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 12:03:31,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 12:03:31,924 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 12:03:32,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 12:03:32,026 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 12:03:32,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:03:32 BoogieIcfgContainer [2023-04-01 12:03:32,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 12:03:32,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 12:03:32,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 12:03:32,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 12:03:32,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:03:30" (1/3) ... [2023-04-01 12:03:32,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dc5153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:03:32, skipping insertion in model container [2023-04-01 12:03:32,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:03:31" (2/3) ... [2023-04-01 12:03:32,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dc5153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:03:32, skipping insertion in model container [2023-04-01 12:03:32,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:03:32" (3/3) ... [2023-04-01 12:03:32,035 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2023-04-01 12:03:32,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 12:03:32,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 12:03:32,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 12:03:32,104 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;@753846be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 12:03:32,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 12:03:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-01 12:03:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 12:03:32,115 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:32,115 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] [2023-04-01 12:03:32,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:32,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:32,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1610963736, now seen corresponding path program 1 times [2023-04-01 12:03:32,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:32,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427072767] [2023-04-01 12:03:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:32,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:32,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427072767] [2023-04-01 12:03:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427072767] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:32,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 12:03:32,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087059673] [2023-04-01 12:03:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 12:03:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:32,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 12:03:32,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:03:32,346 INFO L87 Difference]: Start difference. First operand has 142 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) 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) [2023-04-01 12:03:32,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:32,417 INFO L93 Difference]: Finished difference Result 217 states and 262 transitions. [2023-04-01 12:03:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 12:03:32,420 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 [2023-04-01 12:03:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:32,427 INFO L225 Difference]: With dead ends: 217 [2023-04-01 12:03:32,427 INFO L226 Difference]: Without dead ends: 109 [2023-04-01 12:03:32,431 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 [2023-04-01 12:03:32,435 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:32,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:03:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-04-01 12:03:32,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-04-01 12:03:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 65 states have internal predecessors, (68), 31 states have call successors, (31), 26 states have call predecessors, (31), 21 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-01 12:03:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2023-04-01 12:03:32,473 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2023-04-01 12:03:32,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:32,474 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2023-04-01 12:03:32,474 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) [2023-04-01 12:03:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-04-01 12:03:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-01 12:03:32,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:32,476 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] [2023-04-01 12:03:32,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 12:03:32,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:32,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:32,477 INFO L85 PathProgramCache]: Analyzing trace with hash -858339577, now seen corresponding path program 1 times [2023-04-01 12:03:32,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:32,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306529263] [2023-04-01 12:03:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:32,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306529263] [2023-04-01 12:03:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306529263] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:32,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:32,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:03:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298908819] [2023-04-01 12:03:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:32,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:03:32,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:32,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:03:32,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:03:32,595 INFO L87 Difference]: Start difference. First operand 109 states and 125 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) [2023-04-01 12:03:32,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:32,653 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2023-04-01 12:03:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:03:32,654 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 [2023-04-01 12:03:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:32,657 INFO L225 Difference]: With dead ends: 175 [2023-04-01 12:03:32,657 INFO L226 Difference]: Without dead ends: 101 [2023-04-01 12:03:32,659 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 [2023-04-01 12:03:32,660 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 7 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:32,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 188 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:03:32,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-04-01 12:03:32,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-04-01 12:03:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 60 states have internal predecessors, (62), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-01 12:03:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2023-04-01 12:03:32,670 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 48 [2023-04-01 12:03:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:32,670 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2023-04-01 12:03:32,670 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) [2023-04-01 12:03:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-04-01 12:03:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 12:03:32,671 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:32,672 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] [2023-04-01 12:03:32,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 12:03:32,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:32,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:32,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1206682479, now seen corresponding path program 1 times [2023-04-01 12:03:32,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:32,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294398911] [2023-04-01 12:03:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:32,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:32,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294398911] [2023-04-01 12:03:32,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294398911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:03:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045051347] [2023-04-01 12:03:32,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:32,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:03:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:32,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:03:32,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:03:32,770 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 12:03:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:32,795 INFO L93 Difference]: Finished difference Result 180 states and 207 transitions. [2023-04-01 12:03:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:03:32,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 50 [2023-04-01 12:03:32,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:32,797 INFO L225 Difference]: With dead ends: 180 [2023-04-01 12:03:32,797 INFO L226 Difference]: Without dead ends: 101 [2023-04-01 12:03:32,797 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 [2023-04-01 12:03:32,798 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 91 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:32,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:03:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-04-01 12:03:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-04-01 12:03:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 51 states have (on average 1.196078431372549) internal successors, (61), 59 states have internal predecessors, (61), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-01 12:03:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2023-04-01 12:03:32,806 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 50 [2023-04-01 12:03:32,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:32,807 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2023-04-01 12:03:32,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 12:03:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2023-04-01 12:03:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-01 12:03:32,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:32,808 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] [2023-04-01 12:03:32,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 12:03:32,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:32,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -64872869, now seen corresponding path program 1 times [2023-04-01 12:03:32,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:32,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838809701] [2023-04-01 12:03:32,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:32,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:32,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838809701] [2023-04-01 12:03:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838809701] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:32,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 12:03:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040016955] [2023-04-01 12:03:32,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 12:03:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:32,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 12:03:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 12:03:32,966 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 12:03:33,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:33,284 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2023-04-01 12:03:33,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 12:03:33,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-01 12:03:33,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:33,286 INFO L225 Difference]: With dead ends: 272 [2023-04-01 12:03:33,286 INFO L226 Difference]: Without dead ends: 193 [2023-04-01 12:03:33,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-01 12:03:33,287 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 139 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:33,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 136 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:03:33,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-04-01 12:03:33,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2023-04-01 12:03:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 103 states have internal predecessors, (112), 41 states have call successors, (41), 39 states have call predecessors, (41), 40 states have return successors, (44), 40 states have call predecessors, (44), 37 states have call successors, (44) [2023-04-01 12:03:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 197 transitions. [2023-04-01 12:03:33,304 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 197 transitions. Word has length 63 [2023-04-01 12:03:33,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:33,304 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 197 transitions. [2023-04-01 12:03:33,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 12:03:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 197 transitions. [2023-04-01 12:03:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-01 12:03:33,306 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:33,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:03:33,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 12:03:33,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:33,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash 218692831, now seen corresponding path program 1 times [2023-04-01 12:03:33,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:33,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855535620] [2023-04-01 12:03:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:33,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:33,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:33,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855535620] [2023-04-01 12:03:33,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855535620] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:33,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:33,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 12:03:33,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223676888] [2023-04-01 12:03:33,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:33,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 12:03:33,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:33,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 12:03:33,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 12:03:33,418 INFO L87 Difference]: Start difference. First operand 178 states and 197 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-01 12:03:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:33,555 INFO L93 Difference]: Finished difference Result 428 states and 489 transitions. [2023-04-01 12:03:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 12:03:33,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-01 12:03:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:33,562 INFO L225 Difference]: With dead ends: 428 [2023-04-01 12:03:33,562 INFO L226 Difference]: Without dead ends: 272 [2023-04-01 12:03:33,564 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 [2023-04-01 12:03:33,566 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 54 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:33,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 430 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:03:33,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-04-01 12:03:33,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2023-04-01 12:03:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 155 states have internal predecessors, (170), 57 states have call successors, (57), 55 states have call predecessors, (57), 58 states have return successors, (66), 58 states have call predecessors, (66), 53 states have call successors, (66) [2023-04-01 12:03:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 293 transitions. [2023-04-01 12:03:33,606 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 293 transitions. Word has length 72 [2023-04-01 12:03:33,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:33,606 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 293 transitions. [2023-04-01 12:03:33,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-01 12:03:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 293 transitions. [2023-04-01 12:03:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 12:03:33,607 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:33,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:03:33,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 12:03:33,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:33,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash -659234244, now seen corresponding path program 1 times [2023-04-01 12:03:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:33,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950995443] [2023-04-01 12:03:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:33,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:33,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950995443] [2023-04-01 12:03:33,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950995443] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:33,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:33,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 12:03:33,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866548477] [2023-04-01 12:03:33,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:33,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 12:03:33,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:33,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 12:03:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-01 12:03:33,794 INFO L87 Difference]: Start difference. First operand 262 states and 293 transitions. Second operand has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-01 12:03:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:33,961 INFO L93 Difference]: Finished difference Result 508 states and 571 transitions. [2023-04-01 12:03:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 12:03:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2023-04-01 12:03:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:33,965 INFO L225 Difference]: With dead ends: 508 [2023-04-01 12:03:33,965 INFO L226 Difference]: Without dead ends: 268 [2023-04-01 12:03:33,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-01 12:03:33,967 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 67 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:33,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 895 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:03:33,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-04-01 12:03:33,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 251. [2023-04-01 12:03:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 138 states have (on average 1.1304347826086956) internal successors, (156), 147 states have internal predecessors, (156), 55 states have call successors, (55), 53 states have call predecessors, (55), 57 states have return successors, (59), 56 states have call predecessors, (59), 51 states have call successors, (59) [2023-04-01 12:03:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 270 transitions. [2023-04-01 12:03:33,995 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 270 transitions. Word has length 75 [2023-04-01 12:03:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:33,995 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 270 transitions. [2023-04-01 12:03:33,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-01 12:03:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 270 transitions. [2023-04-01 12:03:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 12:03:33,999 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:34,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:03:34,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 12:03:34,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:34,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1591770409, now seen corresponding path program 1 times [2023-04-01 12:03:34,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:34,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796495470] [2023-04-01 12:03:34,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:03:34,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796495470] [2023-04-01 12:03:34,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796495470] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:03:34,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:03:34,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-01 12:03:34,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931895256] [2023-04-01 12:03:34,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:34,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 12:03:34,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:34,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 12:03:34,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-01 12:03:34,229 INFO L87 Difference]: Start difference. First operand 251 states and 270 transitions. Second operand has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 12:03:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:34,468 INFO L93 Difference]: Finished difference Result 501 states and 555 transitions. [2023-04-01 12:03:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 12:03:34,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 75 [2023-04-01 12:03:34,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:34,471 INFO L225 Difference]: With dead ends: 501 [2023-04-01 12:03:34,471 INFO L226 Difference]: Without dead ends: 345 [2023-04-01 12:03:34,472 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 [2023-04-01 12:03:34,473 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 147 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:34,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 976 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:03:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-04-01 12:03:34,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 314. [2023-04-01 12:03:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 176 states have (on average 1.1306818181818181) internal successors, (199), 186 states have internal predecessors, (199), 67 states have call successors, (67), 66 states have call predecessors, (67), 70 states have return successors, (74), 68 states have call predecessors, (74), 63 states have call successors, (74) [2023-04-01 12:03:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 340 transitions. [2023-04-01 12:03:34,500 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 340 transitions. Word has length 75 [2023-04-01 12:03:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:34,501 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 340 transitions. [2023-04-01 12:03:34,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 12:03:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 340 transitions. [2023-04-01 12:03:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 12:03:34,509 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:03:34,509 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:03:34,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 12:03:34,509 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:03:34,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:03:34,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1485016867, now seen corresponding path program 1 times [2023-04-01 12:03:34,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:03:34,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290498269] [2023-04-01 12:03:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:03:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 12:03:34,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:03:34,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290498269] [2023-04-01 12:03:34,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290498269] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 12:03:34,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701225759] [2023-04-01 12:03:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:03:34,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 12:03:34,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:03:34,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 12:03:34,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 12:03:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:03:34,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-01 12:03:35,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 12:03:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 12:03:35,252 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 12:03:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 12:03:35,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701225759] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 12:03:35,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 12:03:35,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14, 9] total 27 [2023-04-01 12:03:35,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617585718] [2023-04-01 12:03:35,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:03:35,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 12:03:35,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:03:35,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 12:03:35,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2023-04-01 12:03:35,670 INFO L87 Difference]: Start difference. First operand 314 states and 340 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-01 12:03:35,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:03:35,924 INFO L93 Difference]: Finished difference Result 671 states and 745 transitions. [2023-04-01 12:03:35,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 12:03:35,925 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 112 [2023-04-01 12:03:35,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:03:35,925 INFO L225 Difference]: With dead ends: 671 [2023-04-01 12:03:35,925 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 12:03:35,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2023-04-01 12:03:35,928 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 229 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:03:35,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 336 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:03:35,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 12:03:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 12:03:35,929 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) [2023-04-01 12:03:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 12:03:35,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2023-04-01 12:03:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:03:35,930 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 12:03:35,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-01 12:03:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 12:03:35,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 12:03:35,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 12:03:35,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 12:03:36,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 12:03:36,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 12:03:37,930 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 12:03:37,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 12:03:37,930 INFO L899 garLoopResultBuilder]: For program point L253(lines 230 254) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 206 261) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 206 261) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 252) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 313) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L314(lines 287 315) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 262 321) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 262 321) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 262 321) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 934 942) no Hoare annotation was computed. [2023-04-01 12:03:37,931 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 934 942) the Hoare annotation is: true [2023-04-01 12:03:37,932 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-01 12:03:37,932 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,932 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,932 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-01 12:03:37,932 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-01 12:03:37,932 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-01 12:03:37,932 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,933 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,933 INFO L895 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,933 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 12:03:37,933 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 920 926) no Hoare annotation was computed. [2023-04-01 12:03:37,934 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 920 926) the Hoare annotation is: true [2023-04-01 12:03:37,934 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 473 518) no Hoare annotation was computed. [2023-04-01 12:03:37,935 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 473 518) no Hoare annotation was computed. [2023-04-01 12:03:37,935 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 864) the Hoare annotation is: true [2023-04-01 12:03:37,935 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 851 864) no Hoare annotation was computed. [2023-04-01 12:03:37,935 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 12:03:37,935 INFO L899 garLoopResultBuilder]: For program point L608-1(lines 589 613) no Hoare annotation was computed. [2023-04-01 12:03:37,935 INFO L895 garLoopResultBuilder]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 12:03:37,935 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 12:03:37,935 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 589 613) no Hoare annotation was computed. [2023-04-01 12:03:37,935 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 605) no Hoare annotation was computed. [2023-04-01 12:03:37,936 INFO L895 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 12:03:37,936 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-04-01 12:03:37,936 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 610) no Hoare annotation was computed. [2023-04-01 12:03:37,936 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 613) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-01 12:03:37,936 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 555 561) no Hoare annotation was computed. [2023-04-01 12:03:37,936 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 555 561) the Hoare annotation is: true [2023-04-01 12:03:37,936 INFO L895 garLoopResultBuilder]: At program point L762(lines 715 763) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-01 12:03:37,936 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 706 769) no Hoare annotation was computed. [2023-04-01 12:03:37,937 INFO L895 garLoopResultBuilder]: At program point L752-2(lines 746 757) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 12:03:37,937 INFO L899 garLoopResultBuilder]: For program point L717(lines 716 761) no Hoare annotation was computed. [2023-04-01 12:03:37,937 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 706 769) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,937 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 12:03:37,937 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2023-04-01 12:03:37,937 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2023-04-01 12:03:37,937 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 12:03:37,938 INFO L895 garLoopResultBuilder]: At program point L759(lines 716 761) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 706 769) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 819 841) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 819 841) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 614 621) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 686 704) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 686 704) the Hoare annotation is: true [2023-04-01 12:03:37,938 INFO L902 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: true [2023-04-01 12:03:37,938 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-04-01 12:03:37,938 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 842 850) the Hoare annotation is: true [2023-04-01 12:03:37,939 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 842 850) no Hoare annotation was computed. [2023-04-01 12:03:37,939 INFO L895 garLoopResultBuilder]: At program point L544(line 544) the Hoare annotation is: (let ((.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))) (or .cse0 .cse1 (<= 2 |old(~waterLevel~0)|) .cse3) (or .cse0 .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-01 12:03:37,939 INFO L895 garLoopResultBuilder]: At program point L542(lines 542 548) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (< ~systemActive~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or .cse0 (and .cse5 .cse3) .cse6 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse5))) (or .cse0 .cse6 (<= 2 |old(~waterLevel~0)|) .cse2) (or .cse0 .cse6 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-01 12:03:37,939 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-01 12:03:37,939 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 553) no Hoare annotation was computed. [2023-04-01 12:03:37,939 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 531 554) no Hoare annotation was computed. [2023-04-01 12:03:37,939 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 531 554) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (<= 2 |old(~waterLevel~0)|)) (.cse5 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse3)) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (and .cse3 (= ~pumpRunning~0 1)) .cse2 .cse6) (or .cse0 .cse6 .cse4 .cse5))) [2023-04-01 12:03:37,939 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 531 554) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 810 818) the Hoare annotation is: true [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 810 818) no Hoare annotation was computed. [2023-04-01 12:03:37,940 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 774 785) no Hoare annotation was computed. [2023-04-01 12:03:37,947 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 774 785) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 1)))) (and (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 2)) (or .cse0 (<= 3 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 3)))) [2023-04-01 12:03:37,947 INFO L895 garLoopResultBuilder]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 12:03:37,947 INFO L895 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1)))))) [2023-04-01 12:03:37,948 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 563 587) no Hoare annotation was computed. [2023-04-01 12:03:37,948 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 579) no Hoare annotation was computed. [2023-04-01 12:03:37,948 INFO L895 garLoopResultBuilder]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 12:03:37,948 INFO L899 garLoopResultBuilder]: For program point L569-1(line 569) no Hoare annotation was computed. [2023-04-01 12:03:37,948 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 584) no Hoare annotation was computed. [2023-04-01 12:03:37,949 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 563 587) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-01 12:03:37,949 INFO L895 garLoopResultBuilder]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 12:03:37,949 INFO L899 garLoopResultBuilder]: For program point L582-1(lines 563 587) no Hoare annotation was computed. [2023-04-01 12:03:37,949 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 786 797) no Hoare annotation was computed. [2023-04-01 12:03:37,949 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 797) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-01 12:03:37,949 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 866 873) the Hoare annotation is: true [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 866 873) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 927 933) the Hoare annotation is: true [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 927 933) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 641 649) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 649) the Hoare annotation is: true [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 650 685) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point L680(line 680) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point L680-1(line 680) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 650 685) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 160 205) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 160 205) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-01 12:03:37,950 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L902 garLoopResultBuilder]: At program point L635(line 635) the Hoare annotation is: true [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 630 640) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point L635-1(line 635) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 630 640) the Hoare annotation is: true [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 622 629) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 629) the Hoare annotation is: (or (< ~systemActive~0 1) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 427 472) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 427 472) no Hoare annotation was computed. [2023-04-01 12:03:37,951 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 369) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L374(lines 373 393) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 411) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 324 426) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 324 426) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L389(line 389) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L389-1(line 389) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 352) no Hoare annotation was computed. [2023-04-01 12:03:37,952 INFO L899 garLoopResultBuilder]: For program point L373-2(lines 373 393) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 324 426) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point L394(lines 372 395) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 910 919) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 910 919) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3))) [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 798 809) the Hoare annotation is: true [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 798 809) no Hoare annotation was computed. [2023-04-01 12:03:37,953 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 875 907) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (<= 3 ~waterLevel~0)))) [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L892-1(line 892) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 903) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L890-1(lines 875 907) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 904) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2023-04-01 12:03:37,954 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2023-04-01 12:03:37,954 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 875 907) the Hoare annotation is: true [2023-04-01 12:03:37,954 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) .cse1))) [2023-04-01 12:03:37,955 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-01 12:03:37,955 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-01 12:03:37,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:03:37,955 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-01 12:03:37,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 12:03:37,955 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:03:37,957 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:03:37,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 12:03:37,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 12:03:37 BoogieIcfgContainer [2023-04-01 12:03:37,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 12:03:37,975 INFO L158 Benchmark]: Toolchain (without parser) took 7021.63ms. Allocated memory was 241.2MB in the beginning and 293.6MB in the end (delta: 52.4MB). Free memory was 204.4MB in the beginning and 88.5MB in the end (delta: 115.9MB). Peak memory consumption was 171.5MB. Max. memory is 8.0GB. [2023-04-01 12:03:37,975 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 12:03:37,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.95ms. Allocated memory is still 241.2MB. Free memory was 204.4MB in the beginning and 186.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 12:03:37,976 INFO L158 Benchmark]: Boogie Preprocessor took 73.29ms. Allocated memory is still 241.2MB. Free memory was 186.1MB in the beginning and 182.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 12:03:37,976 INFO L158 Benchmark]: RCFGBuilder took 718.99ms. Allocated memory is still 241.2MB. Free memory was 182.4MB in the beginning and 199.5MB in the end (delta: -17.1MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. [2023-04-01 12:03:37,976 INFO L158 Benchmark]: TraceAbstraction took 5943.29ms. Allocated memory was 241.2MB in the beginning and 293.6MB in the end (delta: 52.4MB). Free memory was 198.5MB in the beginning and 88.5MB in the end (delta: 110.0MB). Peak memory consumption was 164.0MB. Max. memory is 8.0GB. [2023-04-01 12:03:37,979 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 200.3MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.95ms. Allocated memory is still 241.2MB. Free memory was 204.4MB in the beginning and 186.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.29ms. Allocated memory is still 241.2MB. Free memory was 186.1MB in the beginning and 182.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 718.99ms. Allocated memory is still 241.2MB. Free memory was 182.4MB in the beginning and 199.5MB in the end (delta: -17.1MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. * TraceAbstraction took 5943.29ms. Allocated memory was 241.2MB in the beginning and 293.6MB in the end (delta: 52.4MB). Free memory was 198.5MB in the beginning and 88.5MB in the end (delta: 110.0MB). Peak memory consumption was 164.0MB. 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: 870]: 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, 181 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 750 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 734 mSDsluCounter, 3178 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2396 mSDsCounter, 262 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1203 IncrementalHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 262 mSolverCounterUnsat, 782 mSDtfsCounter, 1203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=7, InterpolantAutomatonStates: 58, 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, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 763 PreInvPairs, 809 NumberOfFragments, 1067 HoareAnnotationTreeSize, 763 FomulaSimplifications, 997 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 5814 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503 SizeOfPredicates, 6 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 69/75 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: 715]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || ((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) && waterLevel < 3) RESULT: Ultimate proved your program to be correct! [2023-04-01 12:03:38,007 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...