/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:57:31,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:57:31,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:57:31,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:57:31,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:57:31,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:57:31,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:57:31,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:57:31,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:57:31,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:57:31,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:57:31,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:57:31,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:57:31,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:57:31,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:57:31,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:57:31,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:57:31,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:57:31,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:57:31,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:57:31,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:57:31,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:57:31,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:57:31,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:57:31,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:57:31,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:57:31,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:57:31,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:57:31,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:57:31,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:57:31,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:57:31,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:57:31,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:57:31,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:57:31,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:57:31,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:57:31,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:57:31,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:57:31,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:57:31,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:57:31,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:57:31,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:57:31,670 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:57:31,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:57:31,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:57:31,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:57:31,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:57:31,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:57:31,672 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:57:31,672 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:57:31,672 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:57:31,672 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:57:31,673 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:57:31,673 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:57:31,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:57:31,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:57:31,684 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:57:31,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:57:31,685 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:57:31,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:57:31,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:57:31,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:57:31,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:57:31,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:57:31,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:57:31,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:57:31,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:57:31,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:57:31,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:57:31,945 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:57:31,946 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:57:31,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2023-04-01 05:57:32,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:57:33,114 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:57:33,114 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2023-04-01 05:57:33,124 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38a67457/6b8fa7a9a590497aa22f24bcb0309d67/FLAGbac858382 [2023-04-01 05:57:33,138 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38a67457/6b8fa7a9a590497aa22f24bcb0309d67 [2023-04-01 05:57:33,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:57:33,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:57:33,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:57:33,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:57:33,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:57:33,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462823b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33, skipping insertion in model container [2023-04-01 05:57:33,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:57:33,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:57:33,423 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2023-04-01 05:57:33,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:57:33,439 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:57:33,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2023-04-01 05:57:33,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:57:33,532 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:57:33,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33 WrapperNode [2023-04-01 05:57:33,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:57:33,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:57:33,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:57:33,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:57:33,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:57:33,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:57:33,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:57:33,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:57:33,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (1/1) ... [2023-04-01 05:57:33,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:57:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:57:33,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:57:33,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:57:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:57:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:57:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:57:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:57:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:57:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:57:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:57:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:57:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:57:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:57:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:57:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:57:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:57:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:57:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:57:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:57:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:57:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:57:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:57:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:57:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:57:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:57:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:57:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:57:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:57:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:57:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:57:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:57:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:57:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:57:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:57:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:57:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:57:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:57:33,853 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:57:33,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:57:34,213 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:57:34,413 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:57:34,413 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:57:34,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:57:34 BoogieIcfgContainer [2023-04-01 05:57:34,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:57:34,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:57:34,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:57:34,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:57:34,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:57:33" (1/3) ... [2023-04-01 05:57:34,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1262e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:57:34, skipping insertion in model container [2023-04-01 05:57:34,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:57:33" (2/3) ... [2023-04-01 05:57:34,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1262e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:57:34, skipping insertion in model container [2023-04-01 05:57:34,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:57:34" (3/3) ... [2023-04-01 05:57:34,420 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2023-04-01 05:57:34,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:57:34,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:57:34,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:57:34,505 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;@7042e7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:57:34,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:57:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-01 05:57:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 05:57:34,514 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:34,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:34,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:34,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:34,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1610963736, now seen corresponding path program 1 times [2023-04-01 05:57:34,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:34,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406506008] [2023-04-01 05:57:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:34,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:34,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:34,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406506008] [2023-04-01 05:57:34,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406506008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:34,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:34,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:57:34,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404159367] [2023-04-01 05:57:34,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:34,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:57:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:34,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:57:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:57:34,665 INFO L87 Difference]: Start difference. First operand has 142 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:57:34,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:34,703 INFO L93 Difference]: Finished difference Result 217 states and 262 transitions. [2023-04-01 05:57:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:57:34,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-01 05:57:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:34,709 INFO L225 Difference]: With dead ends: 217 [2023-04-01 05:57:34,709 INFO L226 Difference]: Without dead ends: 109 [2023-04-01 05:57:34,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:57:34,713 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:34,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:57:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-04-01 05:57:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-04-01 05:57:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 65 states have internal predecessors, (68), 31 states have call successors, (31), 26 states have call predecessors, (31), 21 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-01 05:57:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2023-04-01 05:57:34,741 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2023-04-01 05:57:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:34,741 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2023-04-01 05:57:34,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:57:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-04-01 05:57:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-01 05:57:34,743 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:34,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:34,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:57:34,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:34,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:34,744 INFO L85 PathProgramCache]: Analyzing trace with hash -858339577, now seen corresponding path program 1 times [2023-04-01 05:57:34,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:34,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951583173] [2023-04-01 05:57:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:34,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:34,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951583173] [2023-04-01 05:57:34,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951583173] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:34,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:34,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:57:34,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830124026] [2023-04-01 05:57:34,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:34,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:57:34,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:34,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:57:34,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:34,824 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:57:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:34,852 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2023-04-01 05:57:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:57:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-01 05:57:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:34,854 INFO L225 Difference]: With dead ends: 175 [2023-04-01 05:57:34,854 INFO L226 Difference]: Without dead ends: 101 [2023-04-01 05:57:34,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:34,856 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 7 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:34,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 188 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:57:34,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-04-01 05:57:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-04-01 05:57:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 60 states have internal predecessors, (62), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-01 05:57:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2023-04-01 05:57:34,864 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 48 [2023-04-01 05:57:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:34,864 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2023-04-01 05:57:34,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:57:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-04-01 05:57:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 05:57:34,865 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:34,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:34,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:57:34,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:34,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1206682479, now seen corresponding path program 1 times [2023-04-01 05:57:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:34,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598513780] [2023-04-01 05:57:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:34,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:34,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:34,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598513780] [2023-04-01 05:57:34,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598513780] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:34,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:34,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:57:34,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769413120] [2023-04-01 05:57:34,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:34,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:57:34,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:34,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:57:34,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:34,927 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:57:34,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:34,952 INFO L93 Difference]: Finished difference Result 180 states and 207 transitions. [2023-04-01 05:57:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:57:34,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 50 [2023-04-01 05:57:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:34,953 INFO L225 Difference]: With dead ends: 180 [2023-04-01 05:57:34,954 INFO L226 Difference]: Without dead ends: 101 [2023-04-01 05:57:34,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:57:34,955 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 91 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:34,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:57:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-04-01 05:57:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-04-01 05:57:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 51 states have (on average 1.196078431372549) internal successors, (61), 59 states have internal predecessors, (61), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-01 05:57:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2023-04-01 05:57:34,963 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 50 [2023-04-01 05:57:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:34,963 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2023-04-01 05:57:34,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:57:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2023-04-01 05:57:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-01 05:57:34,965 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:34,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:34,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:57:34,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:34,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash -64872869, now seen corresponding path program 1 times [2023-04-01 05:57:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681680497] [2023-04-01 05:57:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:35,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:35,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681680497] [2023-04-01 05:57:35,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681680497] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:35,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:35,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 05:57:35,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455954402] [2023-04-01 05:57:35,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:35,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 05:57:35,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:35,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 05:57:35,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:57:35,109 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 05:57:35,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:35,474 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2023-04-01 05:57:35,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:57:35,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-01 05:57:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:35,485 INFO L225 Difference]: With dead ends: 272 [2023-04-01 05:57:35,485 INFO L226 Difference]: Without dead ends: 193 [2023-04-01 05:57:35,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-01 05:57:35,487 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 139 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:35,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 136 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:57:35,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-04-01 05:57:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2023-04-01 05:57:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 103 states have internal predecessors, (112), 41 states have call successors, (41), 39 states have call predecessors, (41), 40 states have return successors, (44), 40 states have call predecessors, (44), 37 states have call successors, (44) [2023-04-01 05:57:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 197 transitions. [2023-04-01 05:57:35,522 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 197 transitions. Word has length 63 [2023-04-01 05:57:35,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:35,522 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 197 transitions. [2023-04-01 05:57:35,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 05:57:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 197 transitions. [2023-04-01 05:57:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-01 05:57:35,524 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:35,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:35,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:57:35,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:35,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:35,525 INFO L85 PathProgramCache]: Analyzing trace with hash 218692831, now seen corresponding path program 1 times [2023-04-01 05:57:35,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:35,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202029356] [2023-04-01 05:57:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:35,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:35,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:35,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202029356] [2023-04-01 05:57:35,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202029356] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:35,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:35,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:57:35,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070269096] [2023-04-01 05:57:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:35,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:57:35,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:57:35,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:57:35,771 INFO L87 Difference]: Start difference. First operand 178 states and 197 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-01 05:57:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:35,956 INFO L93 Difference]: Finished difference Result 428 states and 489 transitions. [2023-04-01 05:57:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:57:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-01 05:57:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:35,960 INFO L225 Difference]: With dead ends: 428 [2023-04-01 05:57:35,960 INFO L226 Difference]: Without dead ends: 272 [2023-04-01 05:57:35,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:57:35,963 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 54 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:35,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 430 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:57:35,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-04-01 05:57:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2023-04-01 05:57:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 155 states have internal predecessors, (170), 57 states have call successors, (57), 55 states have call predecessors, (57), 58 states have return successors, (66), 58 states have call predecessors, (66), 53 states have call successors, (66) [2023-04-01 05:57:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 293 transitions. [2023-04-01 05:57:36,028 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 293 transitions. Word has length 72 [2023-04-01 05:57:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:36,029 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 293 transitions. [2023-04-01 05:57:36,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-01 05:57:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 293 transitions. [2023-04-01 05:57:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 05:57:36,032 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:36,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:36,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:57:36,034 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:36,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:36,034 INFO L85 PathProgramCache]: Analyzing trace with hash -659234244, now seen corresponding path program 1 times [2023-04-01 05:57:36,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594043874] [2023-04-01 05:57:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:36,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:36,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594043874] [2023-04-01 05:57:36,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594043874] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:36,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:36,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 05:57:36,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912952779] [2023-04-01 05:57:36,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:36,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 05:57:36,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:36,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 05:57:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:57:36,289 INFO L87 Difference]: Start difference. First operand 262 states and 293 transitions. Second operand has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-01 05:57:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:36,484 INFO L93 Difference]: Finished difference Result 508 states and 571 transitions. [2023-04-01 05:57:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 05:57:36,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2023-04-01 05:57:36,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:36,486 INFO L225 Difference]: With dead ends: 508 [2023-04-01 05:57:36,486 INFO L226 Difference]: Without dead ends: 268 [2023-04-01 05:57:36,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-01 05:57:36,488 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 67 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:36,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 895 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:57:36,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-04-01 05:57:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 251. [2023-04-01 05:57:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 138 states have (on average 1.1304347826086956) internal successors, (156), 147 states have internal predecessors, (156), 55 states have call successors, (55), 53 states have call predecessors, (55), 57 states have return successors, (59), 56 states have call predecessors, (59), 51 states have call successors, (59) [2023-04-01 05:57:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 270 transitions. [2023-04-01 05:57:36,506 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 270 transitions. Word has length 75 [2023-04-01 05:57:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:36,506 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 270 transitions. [2023-04-01 05:57:36,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-01 05:57:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 270 transitions. [2023-04-01 05:57:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-01 05:57:36,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:36,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:36,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:57:36,508 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:36,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:36,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1591770409, now seen corresponding path program 1 times [2023-04-01 05:57:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215797595] [2023-04-01 05:57:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:36,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:57:36,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215797595] [2023-04-01 05:57:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215797595] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:57:36,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:57:36,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-01 05:57:36,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11883345] [2023-04-01 05:57:36,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:36,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 05:57:36,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 05:57:36,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-01 05:57:36,732 INFO L87 Difference]: Start difference. First operand 251 states and 270 transitions. Second operand has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 05:57:36,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:36,933 INFO L93 Difference]: Finished difference Result 501 states and 555 transitions. [2023-04-01 05:57:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:57:36,933 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 75 [2023-04-01 05:57:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:36,934 INFO L225 Difference]: With dead ends: 501 [2023-04-01 05:57:36,934 INFO L226 Difference]: Without dead ends: 345 [2023-04-01 05:57:36,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-01 05:57:36,935 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 147 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:36,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 976 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:57:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-04-01 05:57:36,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 314. [2023-04-01 05:57:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 176 states have (on average 1.1306818181818181) internal successors, (199), 186 states have internal predecessors, (199), 67 states have call successors, (67), 66 states have call predecessors, (67), 70 states have return successors, (74), 68 states have call predecessors, (74), 63 states have call successors, (74) [2023-04-01 05:57:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 340 transitions. [2023-04-01 05:57:36,956 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 340 transitions. Word has length 75 [2023-04-01 05:57:36,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:36,957 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 340 transitions. [2023-04-01 05:57:36,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 05:57:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 340 transitions. [2023-04-01 05:57:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 05:57:36,958 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:57:36,958 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:36,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 05:57:36,959 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:57:36,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:57:36,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1485016867, now seen corresponding path program 1 times [2023-04-01 05:57:36,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:57:36,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862077364] [2023-04-01 05:57:36,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:36,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:57:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-01 05:57:37,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:57:37,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862077364] [2023-04-01 05:57:37,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862077364] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:57:37,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063898430] [2023-04-01 05:57:37,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:57:37,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:57:37,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:57:37,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:57:37,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:57:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:57:37,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-01 05:57:37,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:57:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 05:57:37,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:57:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 05:57:37,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063898430] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 05:57:37,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 05:57:37,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14, 9] total 27 [2023-04-01 05:57:37,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661840449] [2023-04-01 05:57:37,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:57:37,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 05:57:37,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:57:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 05:57:37,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2023-04-01 05:57:37,917 INFO L87 Difference]: Start difference. First operand 314 states and 340 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-01 05:57:38,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:57:38,150 INFO L93 Difference]: Finished difference Result 671 states and 745 transitions. [2023-04-01 05:57:38,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 05:57:38,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 112 [2023-04-01 05:57:38,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:57:38,151 INFO L225 Difference]: With dead ends: 671 [2023-04-01 05:57:38,151 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:57:38,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2023-04-01 05:57:38,153 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 229 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:57:38,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 336 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:57:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:57:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:57:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:57:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:57:38,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2023-04-01 05:57:38,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:57:38,154 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:57:38,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-01 05:57:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:57:38,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:57:38,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:57:38,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 05:57:38,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:57:38,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:57:40,210 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:57:40,210 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L253(lines 230 254) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 206 261) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 206 261) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 252) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 313) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L314(lines 287 315) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 262 321) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 262 321) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 262 321) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-04-01 05:57:40,211 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 934 942) no Hoare annotation was computed. [2023-04-01 05:57:40,212 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 934 942) the Hoare annotation is: true [2023-04-01 05:57:40,212 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-01 05:57:40,212 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,212 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,212 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-01 05:57:40,212 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-01 05:57:40,212 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-01 05:57:40,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,212 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,212 INFO L895 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,213 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 05:57:40,213 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 920 926) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 920 926) the Hoare annotation is: true [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 473 518) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 473 518) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 864) the Hoare annotation is: true [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 851 864) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 05:57:40,214 INFO L899 garLoopResultBuilder]: For program point L608-1(lines 589 613) no Hoare annotation was computed. [2023-04-01 05:57:40,214 INFO L895 garLoopResultBuilder]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 05:57:40,214 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 05:57:40,215 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 589 613) no Hoare annotation was computed. [2023-04-01 05:57:40,215 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 605) no Hoare annotation was computed. [2023-04-01 05:57:40,215 INFO L895 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 05:57:40,220 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2023-04-01 05:57:40,220 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 610) no Hoare annotation was computed. [2023-04-01 05:57:40,220 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 613) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-01 05:57:40,220 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 555 561) no Hoare annotation was computed. [2023-04-01 05:57:40,220 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 555 561) the Hoare annotation is: true [2023-04-01 05:57:40,220 INFO L895 garLoopResultBuilder]: At program point L762(lines 715 763) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-01 05:57:40,220 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 706 769) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L895 garLoopResultBuilder]: At program point L752-2(lines 746 757) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point L717(lines 716 761) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 706 769) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,221 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 05:57:40,221 INFO L895 garLoopResultBuilder]: At program point L759(lines 716 761) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 706 769) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 819 841) no Hoare annotation was computed. [2023-04-01 05:57:40,221 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 819 841) no Hoare annotation was computed. [2023-04-01 05:57:40,222 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2023-04-01 05:57:40,222 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 614 621) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) [2023-04-01 05:57:40,222 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 686 704) no Hoare annotation was computed. [2023-04-01 05:57:40,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 686 704) the Hoare annotation is: true [2023-04-01 05:57:40,222 INFO L902 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: true [2023-04-01 05:57:40,222 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-04-01 05:57:40,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 842 850) the Hoare annotation is: true [2023-04-01 05:57:40,222 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 842 850) no Hoare annotation was computed. [2023-04-01 05:57:40,222 INFO L895 garLoopResultBuilder]: At program point L544(line 544) the Hoare annotation is: (let ((.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))) (or .cse0 .cse1 (<= 2 |old(~waterLevel~0)|) .cse3) (or .cse0 .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-01 05:57:40,222 INFO L895 garLoopResultBuilder]: At program point L542(lines 542 548) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (< ~systemActive~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or .cse0 (and .cse5 .cse3) .cse6 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse5))) (or .cse0 .cse6 (<= 2 |old(~waterLevel~0)|) .cse2) (or .cse0 .cse6 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-01 05:57:40,222 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 553) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 531 554) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 531 554) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~systemActive~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (<= 2 |old(~waterLevel~0)|)) (.cse5 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse3)) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (and .cse3 (= ~pumpRunning~0 1)) .cse2 .cse6) (or .cse0 .cse6 .cse4 .cse5))) [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 531 554) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-01 05:57:40,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 810 818) the Hoare annotation is: true [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 810 818) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 774 785) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 774 785) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 1)))) (and (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 2)) (or .cse0 (<= 3 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 3)))) [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1)))))) [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 563 587) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 579) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point L569-1(line 569) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 584) no Hoare annotation was computed. [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 563 587) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-01 05:57:40,224 INFO L895 garLoopResultBuilder]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (<= 3 ~waterLevel~0)))) [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point L582-1(lines 563 587) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 786 797) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 797) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (< ~systemActive~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-01 05:57:40,225 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 866 873) the Hoare annotation is: true [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 866 873) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 927 933) the Hoare annotation is: true [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 927 933) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 641 649) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 649) the Hoare annotation is: true [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 650 685) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point L680(line 680) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point L680-1(line 680) no Hoare annotation was computed. [2023-04-01 05:57:40,225 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 650 685) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 160 205) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 160 205) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L902 garLoopResultBuilder]: At program point L635(line 635) the Hoare annotation is: true [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 630 640) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point L635-1(line 635) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 630 640) the Hoare annotation is: true [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 622 629) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 629) the Hoare annotation is: (or (< ~systemActive~0 1) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 427 472) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 427 472) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 369) no Hoare annotation was computed. [2023-04-01 05:57:40,226 INFO L899 garLoopResultBuilder]: For program point L374(lines 373 393) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 411) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 324 426) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 324 426) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L389(line 389) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L389-1(line 389) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 352) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L373-2(lines 373 393) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 324 426) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point L394(lines 372 395) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 910 919) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 910 919) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3))) [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:40,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 798 809) the Hoare annotation is: true [2023-04-01 05:57:40,227 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 798 809) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 875 907) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (<= 3 ~waterLevel~0)))) [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L892-1(line 892) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 903) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L890-1(lines 875 907) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 904) no Hoare annotation was computed. [2023-04-01 05:57:40,228 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2023-04-01 05:57:40,228 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2023-04-01 05:57:40,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 875 907) the Hoare annotation is: true [2023-04-01 05:57:40,245 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) .cse1))) [2023-04-01 05:57:40,245 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-01 05:57:40,245 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-01 05:57:40,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:57:40,245 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-01 05:57:40,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:57:40,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:57:40,247 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:57:40,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:57:40,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:57:40 BoogieIcfgContainer [2023-04-01 05:57:40,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:57:40,267 INFO L158 Benchmark]: Toolchain (without parser) took 7126.16ms. Allocated memory was 252.7MB in the beginning and 330.3MB in the end (delta: 77.6MB). Free memory was 216.7MB in the beginning and 217.5MB in the end (delta: -855.4kB). Peak memory consumption was 187.4MB. Max. memory is 8.0GB. [2023-04-01 05:57:40,268 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:57:40,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.06ms. Allocated memory is still 252.7MB. Free memory was 216.1MB in the beginning and 197.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 05:57:40,268 INFO L158 Benchmark]: Boogie Preprocessor took 82.61ms. Allocated memory is still 252.7MB. Free memory was 197.8MB in the beginning and 194.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:57:40,268 INFO L158 Benchmark]: RCFGBuilder took 799.35ms. Allocated memory is still 252.7MB. Free memory was 194.7MB in the beginning and 217.8MB in the end (delta: -23.1MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. [2023-04-01 05:57:40,269 INFO L158 Benchmark]: TraceAbstraction took 5850.21ms. Allocated memory was 252.7MB in the beginning and 330.3MB in the end (delta: 77.6MB). Free memory was 217.2MB in the beginning and 217.5MB in the end (delta: -290.7kB). Peak memory consumption was 186.9MB. Max. memory is 8.0GB. [2023-04-01 05:57:40,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.06ms. Allocated memory is still 252.7MB. Free memory was 216.1MB in the beginning and 197.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.61ms. Allocated memory is still 252.7MB. Free memory was 197.8MB in the beginning and 194.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 799.35ms. Allocated memory is still 252.7MB. Free memory was 194.7MB in the beginning and 217.8MB in the end (delta: -23.1MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5850.21ms. Allocated memory was 252.7MB in the beginning and 330.3MB in the end (delta: 77.6MB). Free memory was 217.2MB in the beginning and 217.5MB in the end (delta: -290.7kB). Peak memory consumption was 186.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 750 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 734 mSDsluCounter, 3178 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2396 mSDsCounter, 262 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1203 IncrementalHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 262 mSolverCounterUnsat, 782 mSDtfsCounter, 1203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=7, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 763 PreInvPairs, 809 NumberOfFragments, 1067 HoareAnnotationTreeSize, 763 FomulaSimplifications, 997 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 5814 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503 SizeOfPredicates, 6 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 69/75 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || ((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) && waterLevel < 3) RESULT: Ultimate proved your program to be correct! [2023-04-01 05:57:40,309 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...