/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:40,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:40,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:40,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:40,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:40,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:40,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:40,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:40,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:40,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:40,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:40,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:40,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:40,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:40,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:40,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:40,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:40,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:40,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:40,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:40,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:40,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:40,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:40,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:40,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:40,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:40,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:40,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:40,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:40,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:40,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:40,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:40,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:40,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:40,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:40,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:40,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:40,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:40,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:40,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:40,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:40,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:02:40,125 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:40,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:40,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:40,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:40,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:40,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:40,127 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:40,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:40,128 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:40,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:40,128 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:40,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:40,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:40,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:40,129 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:40,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:40,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:40,130 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:40,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:40,130 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:40,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:40,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:40,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:40,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:40,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:40,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:40,132 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:40,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:40,132 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:40,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:40,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:40,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:40,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:40,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:40,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:40,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:40,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:40,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:40,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:40,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:40,414 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:40,414 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:40,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2023-04-03 01:02:41,668 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:41,918 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:41,919 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2023-04-03 01:02:41,940 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d69b6f6/05281f076e4c445eaf6cab8b109e1ae0/FLAGb66e0d105 [2023-04-03 01:02:41,952 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d69b6f6/05281f076e4c445eaf6cab8b109e1ae0 [2023-04-03 01:02:41,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:41,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:41,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:41,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:41,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:41,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:41" (1/1) ... [2023-04-03 01:02:41,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509b92b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:41, skipping insertion in model container [2023-04-03 01:02:41,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:41" (1/1) ... [2023-04-03 01:02:41,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:42,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:42,270 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_product50.cil.c[15143,15156] [2023-04-03 01:02:42,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:42,304 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:42,396 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_product50.cil.c[15143,15156] [2023-04-03 01:02:42,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:42,427 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:42,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42 WrapperNode [2023-04-03 01:02:42,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:42,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:42,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:42,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:42,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:42,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:42,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:42,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:42,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (1/1) ... [2023-04-03 01:02:42,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:42,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:42,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:02:42,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:02:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:02:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:02:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:42,712 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:42,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:43,247 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:43,355 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:43,355 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:43,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:43 BoogieIcfgContainer [2023-04-03 01:02:43,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:43,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:43,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:43,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:43,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:41" (1/3) ... [2023-04-03 01:02:43,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a459c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:43, skipping insertion in model container [2023-04-03 01:02:43,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:42" (2/3) ... [2023-04-03 01:02:43,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a459c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:43, skipping insertion in model container [2023-04-03 01:02:43,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:43" (3/3) ... [2023-04-03 01:02:43,366 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2023-04-03 01:02:43,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:43,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:43,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:43,437 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;@3b752cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:43,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 82 states have internal predecessors, (87), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-03 01:02:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:43,450 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:43,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:43,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:43,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:43,456 INFO L85 PathProgramCache]: Analyzing trace with hash 574975147, now seen corresponding path program 1 times [2023-04-03 01:02:43,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:43,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559186036] [2023-04-03 01:02:43,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:43,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:43,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:43,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559186036] [2023-04-03 01:02:43,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559186036] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:43,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:43,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:43,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129277250] [2023-04-03 01:02:43,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:43,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:43,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:43,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:43,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:43,729 INFO L87 Difference]: Start difference. First operand has 150 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 82 states have internal predecessors, (87), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:43,825 INFO L93 Difference]: Finished difference Result 229 states and 274 transitions. [2023-04-03 01:02:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:43,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:43,839 INFO L225 Difference]: With dead ends: 229 [2023-04-03 01:02:43,839 INFO L226 Difference]: Without dead ends: 115 [2023-04-03 01:02:43,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:43,849 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:43,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:43,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-04-03 01:02:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-04-03 01:02:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 69 states have internal predecessors, (72), 32 states have call successors, (32), 28 states have call predecessors, (32), 23 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2023-04-03 01:02:43,905 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 47 [2023-04-03 01:02:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:43,905 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2023-04-03 01:02:43,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2023-04-03 01:02:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:43,909 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:43,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:43,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:43,909 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:43,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1040652828, now seen corresponding path program 1 times [2023-04-03 01:02:43,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:43,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826935623] [2023-04-03 01:02:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:43,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:44,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:44,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826935623] [2023-04-03 01:02:44,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826935623] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:44,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:44,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:44,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552375108] [2023-04-03 01:02:44,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:44,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:44,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:44,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:44,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:44,050 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:44,128 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2023-04-03 01:02:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:44,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:44,155 INFO L225 Difference]: With dead ends: 183 [2023-04-03 01:02:44,155 INFO L226 Difference]: Without dead ends: 107 [2023-04-03 01:02:44,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:44,157 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 9 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:44,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 193 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-04-03 01:02:44,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-04-03 01:02:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 64 states have internal predecessors, (66), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:02:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2023-04-03 01:02:44,183 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 48 [2023-04-03 01:02:44,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:44,184 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2023-04-03 01:02:44,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2023-04-03 01:02:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:02:44,186 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:44,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:44,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:44,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:44,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash 117007481, now seen corresponding path program 1 times [2023-04-03 01:02:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:44,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464068012] [2023-04-03 01:02:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:44,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:44,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464068012] [2023-04-03 01:02:44,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464068012] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:44,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:44,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:44,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843255194] [2023-04-03 01:02:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:44,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:44,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:44,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:44,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:44,431 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:44,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:44,607 INFO L93 Difference]: Finished difference Result 192 states and 219 transitions. [2023-04-03 01:02:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:44,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-04-03 01:02:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:44,608 INFO L225 Difference]: With dead ends: 192 [2023-04-03 01:02:44,609 INFO L226 Difference]: Without dead ends: 107 [2023-04-03 01:02:44,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:44,611 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 109 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:44,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 288 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-04-03 01:02:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-04-03 01:02:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 63 states have internal predecessors, (65), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:02:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2023-04-03 01:02:44,628 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 51 [2023-04-03 01:02:44,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:44,629 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2023-04-03 01:02:44,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2023-04-03 01:02:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-03 01:02:44,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:44,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:44,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:44,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:44,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash 649527041, now seen corresponding path program 1 times [2023-04-03 01:02:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337155050] [2023-04-03 01:02:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:44,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337155050] [2023-04-03 01:02:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337155050] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:44,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:44,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:44,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771802369] [2023-04-03 01:02:44,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:44,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:44,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:44,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:44,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:44,798 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:45,167 INFO L93 Difference]: Finished difference Result 290 states and 340 transitions. [2023-04-03 01:02:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 64 [2023-04-03 01:02:45,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:45,175 INFO L225 Difference]: With dead ends: 290 [2023-04-03 01:02:45,175 INFO L226 Difference]: Without dead ends: 205 [2023-04-03 01:02:45,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:02:45,185 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 149 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:45,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 148 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:45,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-04-03 01:02:45,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 188. [2023-04-03 01:02:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 110 states have internal predecessors, (119), 43 states have call successors, (43), 42 states have call predecessors, (43), 43 states have return successors, (46), 42 states have call predecessors, (46), 39 states have call successors, (46) [2023-04-03 01:02:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 208 transitions. [2023-04-03 01:02:45,221 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 208 transitions. Word has length 64 [2023-04-03 01:02:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:45,221 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 208 transitions. [2023-04-03 01:02:45,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 208 transitions. [2023-04-03 01:02:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 01:02:45,228 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:45,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:45,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:45,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:45,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1436707701, now seen corresponding path program 1 times [2023-04-03 01:02:45,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:45,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147483299] [2023-04-03 01:02:45,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:45,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:45,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147483299] [2023-04-03 01:02:45,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147483299] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:45,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:45,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:45,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629263414] [2023-04-03 01:02:45,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:45,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:45,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:45,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:45,483 INFO L87 Difference]: Start difference. First operand 188 states and 208 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:45,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:45,624 INFO L93 Difference]: Finished difference Result 462 states and 528 transitions. [2023-04-03 01:02:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:02:45,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 73 [2023-04-03 01:02:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:45,628 INFO L225 Difference]: With dead ends: 462 [2023-04-03 01:02:45,628 INFO L226 Difference]: Without dead ends: 296 [2023-04-03 01:02:45,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:02:45,632 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 59 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:45,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 450 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:45,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-04-03 01:02:45,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 280. [2023-04-03 01:02:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 155 states have (on average 1.1806451612903226) internal successors, (183), 168 states have internal predecessors, (183), 61 states have call successors, (61), 60 states have call predecessors, (61), 63 states have return successors, (70), 62 states have call predecessors, (70), 57 states have call successors, (70) [2023-04-03 01:02:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 314 transitions. [2023-04-03 01:02:45,677 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 314 transitions. Word has length 73 [2023-04-03 01:02:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:45,677 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 314 transitions. [2023-04-03 01:02:45,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 314 transitions. [2023-04-03 01:02:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:02:45,680 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:45,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:45,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:45,680 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:45,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1624434984, now seen corresponding path program 1 times [2023-04-03 01:02:45,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193518010] [2023-04-03 01:02:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:45,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:45,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193518010] [2023-04-03 01:02:45,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193518010] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:45,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:45,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:45,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613776376] [2023-04-03 01:02:45,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:45,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:45,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:45,842 INFO L87 Difference]: Start difference. First operand 280 states and 314 transitions. Second operand has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2023-04-03 01:02:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:46,041 INFO L93 Difference]: Finished difference Result 544 states and 613 transitions. [2023-04-03 01:02:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:46,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 76 [2023-04-03 01:02:46,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:46,046 INFO L225 Difference]: With dead ends: 544 [2023-04-03 01:02:46,046 INFO L226 Difference]: Without dead ends: 286 [2023-04-03 01:02:46,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:46,049 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 73 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:46,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 957 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-04-03 01:02:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 265. [2023-04-03 01:02:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 145 states have (on average 1.1448275862068966) internal successors, (166), 157 states have internal predecessors, (166), 58 states have call successors, (58), 57 states have call predecessors, (58), 61 states have return successors, (62), 59 states have call predecessors, (62), 54 states have call successors, (62) [2023-04-03 01:02:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 286 transitions. [2023-04-03 01:02:46,083 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 286 transitions. Word has length 76 [2023-04-03 01:02:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:46,086 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 286 transitions. [2023-04-03 01:02:46,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2023-04-03 01:02:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 286 transitions. [2023-04-03 01:02:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:02:46,087 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:46,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:46,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:46,087 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:46,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:46,088 INFO L85 PathProgramCache]: Analyzing trace with hash -151392841, now seen corresponding path program 1 times [2023-04-03 01:02:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:46,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833567113] [2023-04-03 01:02:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:46,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:46,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833567113] [2023-04-03 01:02:46,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833567113] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:46,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762337822] [2023-04-03 01:02:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:46,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:46,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:46,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:46,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:46,433 INFO L87 Difference]: Start difference. First operand 265 states and 286 transitions. Second operand has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:46,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:46,737 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2023-04-03 01:02:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:46,738 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 76 [2023-04-03 01:02:46,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:46,740 INFO L225 Difference]: With dead ends: 533 [2023-04-03 01:02:46,740 INFO L226 Difference]: Without dead ends: 367 [2023-04-03 01:02:46,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:46,742 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 117 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:46,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1023 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-04-03 01:02:46,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 332. [2023-04-03 01:02:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 185 states have (on average 1.145945945945946) internal successors, (212), 199 states have internal predecessors, (212), 71 states have call successors, (71), 71 states have call predecessors, (71), 75 states have return successors, (78), 72 states have call predecessors, (78), 67 states have call successors, (78) [2023-04-03 01:02:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 361 transitions. [2023-04-03 01:02:46,783 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 361 transitions. Word has length 76 [2023-04-03 01:02:46,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:46,784 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 361 transitions. [2023-04-03 01:02:46,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 361 transitions. [2023-04-03 01:02:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 01:02:46,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:46,786 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:46,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:46,787 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:46,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:46,787 INFO L85 PathProgramCache]: Analyzing trace with hash 963795758, now seen corresponding path program 1 times [2023-04-03 01:02:46,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:46,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749083549] [2023-04-03 01:02:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-03 01:02:46,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:46,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749083549] [2023-04-03 01:02:46,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749083549] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:46,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412392119] [2023-04-03 01:02:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:46,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:02:46,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:02:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:47,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:47,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:02:47,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 01:02:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412392119] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:47,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:47,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 22 [2023-04-03 01:02:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140328152] [2023-04-03 01:02:47,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:47,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:47,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2023-04-03 01:02:47,895 INFO L87 Difference]: Start difference. First operand 332 states and 361 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2023-04-03 01:02:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,196 INFO L93 Difference]: Finished difference Result 715 states and 797 transitions. [2023-04-03 01:02:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:48,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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 114 [2023-04-03 01:02:48,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,198 INFO L225 Difference]: With dead ends: 715 [2023-04-03 01:02:48,198 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:48,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2023-04-03 01:02:48,200 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 201 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 385 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:48,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:02:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:48,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2023-04-03 01:02:48,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,203 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:48,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2023-04-03 01:02:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:48,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:48,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:48,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:02:48,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:48,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:02:50,466 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 690 698) no Hoare annotation was computed. [2023-04-03 01:02:50,467 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 690 698) the Hoare annotation is: true [2023-04-03 01:02:50,467 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 641 663) no Hoare annotation was computed. [2023-04-03 01:02:50,468 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,468 INFO L895 garLoopResultBuilder]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,468 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2023-04-03 01:02:50,468 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 651 658) no Hoare annotation was computed. [2023-04-03 01:02:50,468 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 663) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,468 INFO L899 garLoopResultBuilder]: For program point L649(line 649) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,469 INFO L895 garLoopResultBuilder]: At program point L647(line 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,469 INFO L895 garLoopResultBuilder]: At program point L647-1(line 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 596 619) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L607(line 607) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-03 01:02:50,469 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 596 619) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L603(line 603) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 596 619) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L614(line 614) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L611(line 611) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-04-03 01:02:50,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 956 974) the Hoare annotation is: true [2023-04-03 01:02:50,470 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 956 974) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L902 garLoopResultBuilder]: At program point L963(line 963) the Hoare annotation is: true [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 676 682) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 676 682) the Hoare annotation is: true [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 539 552) the Hoare annotation is: true [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2023-04-03 01:02:50,471 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:50,471 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 840 864) no Hoare annotation was computed. [2023-04-03 01:02:50,472 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 840 864) no Hoare annotation was computed. [2023-04-03 01:02:50,472 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:50,472 INFO L895 garLoopResultBuilder]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:50,472 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2023-04-03 01:02:50,472 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:50,472 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2023-04-03 01:02:50,472 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2023-04-03 01:02:50,472 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 864) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,472 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2023-04-03 01:02:50,473 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2023-04-03 01:02:50,473 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|)) [2023-04-03 01:02:50,473 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 710 775) no Hoare annotation was computed. [2023-04-03 01:02:50,473 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,473 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2023-04-03 01:02:50,473 INFO L895 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,473 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2023-04-03 01:02:50,473 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 710 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,473 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,473 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) .cse0 .cse1 (< ~waterLevel~0 2)) (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,474 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 710 775) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 553 561) the Hoare annotation is: true [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 553 561) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 507 529) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2023-04-03 01:02:50,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 872) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:50,475 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 538) the Hoare annotation is: true [2023-04-03 01:02:50,475 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2023-04-03 01:02:50,475 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 937 955) no Hoare annotation was computed. [2023-04-03 01:02:50,475 INFO L902 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: true [2023-04-03 01:02:50,475 INFO L899 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2023-04-03 01:02:50,475 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 955) the Hoare annotation is: true [2023-04-03 01:02:50,475 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 506) the Hoare annotation is: true [2023-04-03 01:02:50,475 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2023-04-03 01:02:50,475 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and (< ~waterLevel~0 2) (= ~pumpRunning~0 1))) (or .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse1 (= |old(~waterLevel~0)| 2)) (or .cse2 .cse0 .cse1 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))))) [2023-04-03 01:02:50,475 INFO L895 garLoopResultBuilder]: At program point L793(lines 793 799) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse5 .cse0 (<= 2 |old(~waterLevel~0)|) .cse2) (let ((.cse6 (< ~waterLevel~0 3))) (or (and .cse6 .cse3) .cse5 .cse0 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse6))))) [2023-04-03 01:02:50,475 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point L786(lines 785 804) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 782 805) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~waterLevel~0 3))) (and (or (and .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse3 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)) (or .cse4 .cse1 (not (= 2 ~waterLevel~0)) .cse2 (= |old(~waterLevel~0)| 2)) (or .cse4 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0)))) [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2023-04-03 01:02:50,476 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 565 594) the Hoare annotation is: true [2023-04-03 01:02:50,476 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-04-03 01:02:50,476 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2023-04-03 01:02:50,477 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2023-04-03 01:02:50,477 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 473) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.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)))) [2023-04-03 01:02:50,477 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 975 982) no Hoare annotation was computed. [2023-04-03 01:02:50,477 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 975 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2023-04-03 01:02:50,477 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:50,477 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2023-04-03 01:02:50,477 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:50,477 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2023-04-03 01:02:50,477 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1))) (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 485) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse1 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-03 01:02:50,478 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 700 707) the Hoare annotation is: true [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 700 707) no Hoare annotation was computed. [2023-04-03 01:02:50,478 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 683 689) the Hoare annotation is: true [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 683 689) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 892 900) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 892 900) the Hoare annotation is: true [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 901 936) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point L931(line 931) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 901 936) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point L931-1(line 931) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 628 637) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 637) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~systemActive~0)| 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2))) [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 628 637) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 881 891) no Hoare annotation was computed. [2023-04-03 01:02:50,479 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 881 891) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 873 880) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 880) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-03 01:02:50,480 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 666 675) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 666 675) no Hoare annotation was computed. [2023-04-03 01:02:50,481 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))) [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 486 497) the Hoare annotation is: true [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2023-04-03 01:02:50,481 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 420 452) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L895 garLoopResultBuilder]: At program point L443(line 443) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (<= 2 ~waterLevel~0)) (or .cse0 (<= 3 ~waterLevel~0) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L895 garLoopResultBuilder]: At program point L437(line 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L437-1(line 437) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 420 452) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L902 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: true [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 452) the Hoare annotation is: true [2023-04-03 01:02:50,482 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 620 626) no Hoare annotation was computed. [2023-04-03 01:02:50,482 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 620 626) the Hoare annotation is: true [2023-04-03 01:02:50,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:50,483 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2)) [2023-04-03 01:02:50,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:50,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:50,486 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:50,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:50,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:50 BoogieIcfgContainer [2023-04-03 01:02:50,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:50,499 INFO L158 Benchmark]: Toolchain (without parser) took 8542.41ms. Allocated memory was 264.2MB in the beginning and 368.1MB in the end (delta: 103.8MB). Free memory was 214.9MB in the beginning and 272.4MB in the end (delta: -57.6MB). Peak memory consumption was 198.3MB. Max. memory is 8.0GB. [2023-04-03 01:02:50,499 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory was 140.6MB in the beginning and 140.4MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:50,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.33ms. Allocated memory is still 264.2MB. Free memory was 214.3MB in the beginning and 196.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:02:50,499 INFO L158 Benchmark]: Boogie Preprocessor took 75.38ms. Allocated memory is still 264.2MB. Free memory was 196.0MB in the beginning and 192.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:50,499 INFO L158 Benchmark]: RCFGBuilder took 853.88ms. Allocated memory is still 264.2MB. Free memory was 192.3MB in the beginning and 130.5MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:50,500 INFO L158 Benchmark]: TraceAbstraction took 7137.68ms. Allocated memory was 264.2MB in the beginning and 368.1MB in the end (delta: 103.8MB). Free memory was 129.9MB in the beginning and 272.4MB in the end (delta: -142.5MB). Peak memory consumption was 113.3MB. Max. memory is 8.0GB. [2023-04-03 01:02:50,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory was 140.6MB in the beginning and 140.4MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.33ms. Allocated memory is still 264.2MB. Free memory was 214.3MB in the beginning and 196.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.38ms. Allocated memory is still 264.2MB. Free memory was 196.0MB in the beginning and 192.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 853.88ms. Allocated memory is still 264.2MB. Free memory was 192.3MB in the beginning and 130.5MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7137.68ms. Allocated memory was 264.2MB in the beginning and 368.1MB in the end (delta: 103.8MB). Free memory was 129.9MB in the beginning and 272.4MB in the end (delta: -142.5MB). Peak memory consumption was 113.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 704]: 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 42 procedures, 191 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 736 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 717 mSDsluCounter, 3567 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2753 mSDsCounter, 209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1507 IncrementalHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 209 mSolverCounterUnsat, 814 mSDtfsCounter, 1507 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=7, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 89 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 785 PreInvPairs, 834 NumberOfFragments, 1191 HoareAnnotationTreeSize, 785 FomulaSimplifications, 1535 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4812 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 1509 SizeOfPredicates, 6 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 60/66 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: 720]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(systemActive) == 1)) || 2 <= \old(waterLevel)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel < 2)) || (((splverifierCounter == 0 && 1 == systemActive) && waterLevel < 3) && pumpRunning == 1) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(systemActive) == 1)) || 2 <= \old(waterLevel) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:50,517 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...