/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_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:03:47,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:03:47,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:03:47,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:03:47,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:03:47,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:03:47,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:03:47,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:03:47,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:03:47,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:03:47,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:03:47,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:03:47,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:03:47,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:03:47,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:03:47,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:03:47,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:03:47,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:03:47,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:03:47,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:03:47,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:03:47,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:03:47,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:03:47,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:03:47,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:03:47,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:03:47,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:03:47,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:03:47,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:03:47,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:03:47,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:03:47,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:03:47,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:03:47,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:03:47,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:03:47,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:03:47,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:03:47,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:03:47,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:03:47,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:03:47,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:03:47,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:03:47,610 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:03:47,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:03:47,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:03:47,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:03:47,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:03:47,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:03:47,612 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:03:47,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:03:47,612 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:03:47,612 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:03:47,613 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:03:47,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:03:47,613 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:03:47,613 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:03:47,614 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:03:47,614 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:03:47,614 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:03:47,614 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:03:47,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:03:47,615 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:03:47,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:03:47,616 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:03:47,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:03:47,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:03:47,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:03:47,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:03:47,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:03:47,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:03:47,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:03:47,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:03:47,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:03:47,852 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:03:47,853 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:03:47,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2023-04-03 01:03:48,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:03:49,200 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:03:49,200 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2023-04-03 01:03:49,213 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4aa152e/052d2c2740d94ddf8d7cedf5484b97fb/FLAG12fd948cd [2023-04-03 01:03:49,226 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4aa152e/052d2c2740d94ddf8d7cedf5484b97fb [2023-04-03 01:03:49,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:03:49,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:03:49,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:03:49,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:03:49,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:03:49,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123b0210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49, skipping insertion in model container [2023-04-03 01:03:49,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:03:49,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:03:49,399 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_spec4_product25.cil.c[1605,1618] [2023-04-03 01:03:49,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:03:49,508 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:03:49,530 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_spec4_product25.cil.c[1605,1618] [2023-04-03 01:03:49,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:03:49,626 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:03:49,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49 WrapperNode [2023-04-03 01:03:49,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:03:49,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:03:49,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:03:49,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:03:49,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:03:49,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:03:49,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:03:49,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:03:49,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (1/1) ... [2023-04-03 01:03:49,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:03:49,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:03:49,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:03:49,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:03:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:03:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:03:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:03:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:03:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:03:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:03:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:03:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:03:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:03:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:03:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:03:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:03:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:03:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:03:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:03:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:03:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:03:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:03:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:03:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:03:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:03:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:03:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:03:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:03:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:03:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:03:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:03:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:03:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:03:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:03:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:03:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:03:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:03:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:03:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:03:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:03:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:03:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:03:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:03:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:03:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:03:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:03:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:03:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:03:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:03:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:03:49,920 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:03:49,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:03:50,413 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:03:50,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:03:50,553 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:03:50,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:03:50 BoogieIcfgContainer [2023-04-03 01:03:50,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:03:50,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:03:50,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:03:50,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:03:50,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:03:49" (1/3) ... [2023-04-03 01:03:50,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c7bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:03:50, skipping insertion in model container [2023-04-03 01:03:50,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:03:49" (2/3) ... [2023-04-03 01:03:50,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c7bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:03:50, skipping insertion in model container [2023-04-03 01:03:50,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:03:50" (3/3) ... [2023-04-03 01:03:50,566 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2023-04-03 01:03:50,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:03:50,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:03:50,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:03:50,643 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;@348d0358, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:03:50,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:03:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 64 states have internal predecessors, (68), 40 states have call successors, (40), 24 states have call predecessors, (40), 24 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-04-03 01:03:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 01:03:50,654 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:50,655 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] [2023-04-03 01:03:50,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:50,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:50,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1614997720, now seen corresponding path program 1 times [2023-04-03 01:03:50,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:50,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579061857] [2023-04-03 01:03:50,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:50,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:50,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579061857] [2023-04-03 01:03:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579061857] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:50,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:03:50,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671543226] [2023-04-03 01:03:50,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:50,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:03:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:50,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:03:50,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:03:50,911 INFO L87 Difference]: Start difference. First operand has 121 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 64 states have internal predecessors, (68), 40 states have call successors, (40), 24 states have call predecessors, (40), 24 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:50,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:50,959 INFO L93 Difference]: Finished difference Result 175 states and 210 transitions. [2023-04-03 01:03:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:03:50,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:03:50,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:50,981 INFO L225 Difference]: With dead ends: 175 [2023-04-03 01:03:50,982 INFO L226 Difference]: Without dead ends: 88 [2023-04-03 01:03:50,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:03:50,993 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:50,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:51,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-04-03 01:03:51,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-04-03 01:03:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 45 states have (on average 1.2) internal successors, (54), 52 states have internal predecessors, (54), 25 states have call successors, (25), 22 states have call predecessors, (25), 17 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-03 01:03:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2023-04-03 01:03:51,035 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 42 [2023-04-03 01:03:51,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:51,036 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2023-04-03 01:03:51,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-04-03 01:03:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:03:51,038 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:51,039 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] [2023-04-03 01:03:51,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:03:51,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:51,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:51,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1411342765, now seen corresponding path program 1 times [2023-04-03 01:03:51,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:51,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359123837] [2023-04-03 01:03:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:51,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:51,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:51,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359123837] [2023-04-03 01:03:51,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359123837] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:51,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:51,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:03:51,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102978702] [2023-04-03 01:03:51,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:51,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:03:51,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:51,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:03:51,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:51,188 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:51,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:51,244 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2023-04-03 01:03:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:03:51,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:03:51,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:51,247 INFO L225 Difference]: With dead ends: 133 [2023-04-03 01:03:51,247 INFO L226 Difference]: Without dead ends: 80 [2023-04-03 01:03:51,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:51,248 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 7 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:51,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 142 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:51,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-04-03 01:03:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-04-03 01:03:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 40 states have (on average 1.2) internal successors, (48), 47 states have internal predecessors, (48), 22 states have call successors, (22), 21 states have call predecessors, (22), 17 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-03 01:03:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2023-04-03 01:03:51,270 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2023-04-03 01:03:51,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:51,270 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2023-04-03 01:03:51,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:03:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-04-03 01:03:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-04-03 01:03:51,272 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:51,272 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] [2023-04-03 01:03:51,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:03:51,273 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:51,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 990762552, now seen corresponding path program 1 times [2023-04-03 01:03:51,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:51,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937015286] [2023-04-03 01:03:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:51,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:51,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937015286] [2023-04-03 01:03:51,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937015286] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:51,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:51,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:03:51,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487997458] [2023-04-03 01:03:51,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:51,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:03:51,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:51,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:03:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:51,415 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-03 01:03:51,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:51,458 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2023-04-03 01:03:51,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:03:51,459 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), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 45 [2023-04-03 01:03:51,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:51,460 INFO L225 Difference]: With dead ends: 138 [2023-04-03 01:03:51,460 INFO L226 Difference]: Without dead ends: 80 [2023-04-03 01:03:51,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:03:51,462 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:51,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 75 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:03:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-04-03 01:03:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-04-03 01:03:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 40 states have (on average 1.175) internal successors, (47), 46 states have internal predecessors, (47), 22 states have call successors, (22), 21 states have call predecessors, (22), 17 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-03 01:03:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2023-04-03 01:03:51,473 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 45 [2023-04-03 01:03:51,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:51,474 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2023-04-03 01:03:51,474 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), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-03 01:03:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2023-04-03 01:03:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:03:51,475 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:51,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:03:51,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:03:51,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:51,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:51,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1682372367, now seen corresponding path program 1 times [2023-04-03 01:03:51,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:51,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436111094] [2023-04-03 01:03:51,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:51,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:51,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:51,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436111094] [2023-04-03 01:03:51,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436111094] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:51,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:51,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:03:51,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686219555] [2023-04-03 01:03:51,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:51,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:03:51,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:51,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:03:51,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:03:51,843 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-03 01:03:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:52,198 INFO L93 Difference]: Finished difference Result 237 states and 274 transitions. [2023-04-03 01:03:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:03:52,199 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 53 [2023-04-03 01:03:52,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:52,206 INFO L225 Difference]: With dead ends: 237 [2023-04-03 01:03:52,207 INFO L226 Difference]: Without dead ends: 179 [2023-04-03 01:03:52,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:03:52,216 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 107 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:52,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 470 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:03:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-04-03 01:03:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2023-04-03 01:03:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 104 states have internal predecessors, (108), 43 states have call successors, (43), 40 states have call predecessors, (43), 36 states have return successors, (41), 33 states have call predecessors, (41), 39 states have call successors, (41) [2023-04-03 01:03:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 192 transitions. [2023-04-03 01:03:52,248 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 192 transitions. Word has length 53 [2023-04-03 01:03:52,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:52,250 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 192 transitions. [2023-04-03 01:03:52,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-03 01:03:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 192 transitions. [2023-04-03 01:03:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:03:52,256 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:52,256 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] [2023-04-03 01:03:52,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:03:52,257 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:52,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1262418992, now seen corresponding path program 1 times [2023-04-03 01:03:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109440338] [2023-04-03 01:03:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:52,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:52,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109440338] [2023-04-03 01:03:52,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109440338] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:52,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:03:52,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679686002] [2023-04-03 01:03:52,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:52,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:03:52,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:03:52,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:03:52,324 INFO L87 Difference]: Start difference. First operand 171 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:03:52,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:52,618 INFO L93 Difference]: Finished difference Result 401 states and 481 transitions. [2023-04-03 01:03:52,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:03:52,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:03:52,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:52,626 INFO L225 Difference]: With dead ends: 401 [2023-04-03 01:03:52,626 INFO L226 Difference]: Without dead ends: 252 [2023-04-03 01:03:52,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:03:52,628 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 125 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:52,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 130 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:03:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-04-03 01:03:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 237. [2023-04-03 01:03:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 135 states have (on average 1.1703703703703703) internal successors, (158), 146 states have internal predecessors, (158), 53 states have call successors, (53), 53 states have call predecessors, (53), 48 states have return successors, (57), 48 states have call predecessors, (57), 49 states have call successors, (57) [2023-04-03 01:03:52,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2023-04-03 01:03:52,656 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 56 [2023-04-03 01:03:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:52,656 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2023-04-03 01:03:52,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:03:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2023-04-03 01:03:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-03 01:03:52,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:03:52,658 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] [2023-04-03 01:03:52,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:03:52,658 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:03:52,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:03:52,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1978326539, now seen corresponding path program 1 times [2023-04-03 01:03:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:03:52,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72182482] [2023-04-03 01:03:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:03:52,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:03:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:03:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:03:52,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:03:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72182482] [2023-04-03 01:03:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72182482] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:03:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:03:52,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:03:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269547940] [2023-04-03 01:03:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:03:52,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:03:52,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:03:52,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:03:52,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:03:52,746 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:03:52,832 INFO L93 Difference]: Finished difference Result 264 states and 296 transitions. [2023-04-03 01:03:52,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:03:52,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2023-04-03 01:03:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:03:52,835 INFO L225 Difference]: With dead ends: 264 [2023-04-03 01:03:52,835 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:03:52,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:03:52,837 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 56 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:03:52,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 185 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:03:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:03:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:03:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:03:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:03:52,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2023-04-03 01:03:52,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:03:52,840 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:03:52,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-03 01:03:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:03:52,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:03:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:03:52,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:03:52,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:03:53,483 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:03:53,483 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:03:53,483 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 548) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 538 559) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point L560(lines 537 561) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 513 568) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 513 568) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 605) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 569 628) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point L595-2(lines 595 620) no Hoare annotation was computed. [2023-04-03 01:03:53,484 INFO L899 garLoopResultBuilder]: For program point L621(lines 594 622) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 569 628) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 569 628) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point L614(line 614) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point L614-1(line 614) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 335 343) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 343) the Hoare annotation is: true [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 346 370) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L902 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: true [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2023-04-03 01:03:53,485 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 346 370) no Hoare annotation was computed. [2023-04-03 01:03:53,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 346 370) the Hoare annotation is: true [2023-04-03 01:03:53,486 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-03 01:03:53,486 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2023-04-03 01:03:53,487 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= ~waterLevel~0 0)) [2023-04-03 01:03:53,487 INFO L899 garLoopResultBuilder]: For program point L356-1(line 356) no Hoare annotation was computed. [2023-04-03 01:03:53,487 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed. [2023-04-03 01:03:53,487 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 899 921) no Hoare annotation was computed. [2023-04-03 01:03:53,488 INFO L895 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= main_~tmp~8 1)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,488 INFO L895 garLoopResultBuilder]: At program point L911-1(line 911) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= main_~tmp~8 1)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,489 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 916) no Hoare annotation was computed. [2023-04-03 01:03:53,489 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 909 916) no Hoare annotation was computed. [2023-04-03 01:03:53,489 INFO L899 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2023-04-03 01:03:53,489 INFO L895 garLoopResultBuilder]: At program point L906(line 906) 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))) [2023-04-03 01:03:53,489 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 899 921) 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))) [2023-04-03 01:03:53,489 INFO L895 garLoopResultBuilder]: At program point L905(line 905) 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))) [2023-04-03 01:03:53,489 INFO L895 garLoopResultBuilder]: At program point L905-1(line 905) 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))) [2023-04-03 01:03:53,489 INFO L899 garLoopResultBuilder]: For program point L865(line 865) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L864(line 864) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 858 881) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L863(line 863) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 858 881) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L875(line 875) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 858 881) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L872(line 872) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-04-03 01:03:53,490 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-04-03 01:03:53,491 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-04-03 01:03:53,491 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2023-04-03 01:03:53,492 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-03 01:03:53,492 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-04-03 01:03:53,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 287 305) the Hoare annotation is: true [2023-04-03 01:03:53,492 INFO L902 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: true [2023-04-03 01:03:53,492 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 287 305) no Hoare annotation was computed. [2023-04-03 01:03:53,492 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-03 01:03:53,492 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 321 327) no Hoare annotation was computed. [2023-04-03 01:03:53,493 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 321 327) the Hoare annotation is: true [2023-04-03 01:03:53,493 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 780 825) no Hoare annotation was computed. [2023-04-03 01:03:53,493 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 780 825) no Hoare annotation was computed. [2023-04-03 01:03:53,493 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:03:53,494 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 172 196) no Hoare annotation was computed. [2023-04-03 01:03:53,494 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:03:53,494 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 172 196) no Hoare annotation was computed. [2023-04-03 01:03:53,494 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:03:53,494 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 188) no Hoare annotation was computed. [2023-04-03 01:03:53,494 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:03:53,494 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-04-03 01:03:53,494 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2023-04-03 01:03:53,494 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 196) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:03:53,495 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 164 170) no Hoare annotation was computed. [2023-04-03 01:03:53,495 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 164 170) the Hoare annotation is: true [2023-04-03 01:03:53,495 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,495 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-03 01:03:53,495 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2023-04-03 01:03:53,495 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 63 126) no Hoare annotation was computed. [2023-04-03 01:03:53,497 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,497 INFO L895 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,497 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2023-04-03 01:03:53,497 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2023-04-03 01:03:53,497 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 126) 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))) [2023-04-03 01:03:53,497 INFO L895 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,497 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1))) [2023-04-03 01:03:53,497 INFO L899 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 63 126) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 197 204) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 197 204) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 451 459) the Hoare annotation is: true [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 451 459) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 419 441) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 419 441) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 206 222) no Hoare annotation was computed. [2023-04-03 01:03:53,498 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 206 222) no Hoare annotation was computed. [2023-04-03 01:03:53,499 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2023-04-03 01:03:53,511 INFO L899 garLoopResultBuilder]: For program point L217-1(lines 206 222) no Hoare annotation was computed. [2023-04-03 01:03:53,511 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2023-04-03 01:03:53,511 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-04-03 01:03:53,511 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2023-04-03 01:03:53,511 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 450) the Hoare annotation is: true [2023-04-03 01:03:53,512 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 442 450) no Hoare annotation was computed. [2023-04-03 01:03:53,512 INFO L895 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2023-04-03 01:03:53,512 INFO L895 garLoopResultBuilder]: At program point L151(lines 151 157) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2023-04-03 01:03:53,512 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point L144(lines 143 162) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 140 163) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 140 163) the Hoare annotation is: (let ((.cse0 (< ~systemActive~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| 0)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 140 163) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 828 857) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L902 garLoopResultBuilder]: At program point L853(lines 828 857) the Hoare annotation is: true [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point L849(line 849) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed. [2023-04-03 01:03:53,513 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 828 857) the Hoare annotation is: true [2023-04-03 01:03:53,514 INFO L902 garLoopResultBuilder]: At program point L842-1(lines 842 846) the Hoare annotation is: true [2023-04-03 01:03:53,514 INFO L902 garLoopResultBuilder]: At program point L838-2(lines 838 852) the Hoare annotation is: true [2023-04-03 01:03:53,514 INFO L902 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: true [2023-04-03 01:03:53,514 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 410 418) no Hoare annotation was computed. [2023-04-03 01:03:53,514 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2023-04-03 01:03:53,515 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 374 385) no Hoare annotation was computed. [2023-04-03 01:03:53,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 374 385) the Hoare annotation is: true [2023-04-03 01:03:53,515 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2023-04-03 01:03:53,515 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 397) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2023-04-03 01:03:53,515 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:03:53,515 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 328 334) the Hoare annotation is: true [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 328 334) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 242 250) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 242 250) the Hoare annotation is: true [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point L281(line 281) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 251 286) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 251 286) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 467 512) no Hoare annotation was computed. [2023-04-03 01:03:53,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 467 512) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 889 898) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 889 898) 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))) [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 889 898) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 231 241) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 231 241) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 223 230) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 230) the Hoare annotation is: true [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 734 779) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 734 779) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 311 320) no Hoare annotation was computed. [2023-04-03 01:03:53,518 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 311 320) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L696(line 696) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L696-1(line 696) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 659) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 631 733) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L680-2(lines 680 700) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 631 733) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L701(lines 679 702) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 676) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 631 733) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L681(lines 680 700) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L712-1(line 712) no Hoare annotation was computed. [2023-04-03 01:03:53,519 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 718) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 409) the Hoare annotation is: true [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 882 888) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 882 888) the Hoare annotation is: true [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:03:53,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:03:53,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:03:53,524 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-03 01:03:53,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:03:53,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:03:53 BoogieIcfgContainer [2023-04-03 01:03:53,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:03:53,540 INFO L158 Benchmark]: Toolchain (without parser) took 4309.19ms. Allocated memory is still 264.2MB. Free memory was 217.4MB in the beginning and 226.8MB in the end (delta: -9.5MB). Peak memory consumption was 137.1MB. Max. memory is 8.0GB. [2023-04-03 01:03:53,540 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:03:53,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.35ms. Allocated memory is still 264.2MB. Free memory was 217.0MB in the beginning and 198.8MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:03:53,541 INFO L158 Benchmark]: Boogie Preprocessor took 68.01ms. Allocated memory is still 264.2MB. Free memory was 198.8MB in the beginning and 195.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:03:53,541 INFO L158 Benchmark]: RCFGBuilder took 859.09ms. Allocated memory is still 264.2MB. Free memory was 195.3MB in the beginning and 198.6MB in the end (delta: -3.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2023-04-03 01:03:53,541 INFO L158 Benchmark]: TraceAbstraction took 2980.69ms. Allocated memory is still 264.2MB. Free memory was 198.0MB in the beginning and 226.8MB in the end (delta: -28.8MB). Peak memory consumption was 116.9MB. Max. memory is 8.0GB. [2023-04-03 01:03:53,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.35ms. Allocated memory is still 264.2MB. Free memory was 217.0MB in the beginning and 198.8MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.01ms. Allocated memory is still 264.2MB. Free memory was 198.8MB in the beginning and 195.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 859.09ms. Allocated memory is still 264.2MB. Free memory was 195.3MB in the beginning and 198.6MB in the end (delta: -3.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2980.69ms. Allocated memory is still 264.2MB. Free memory was 198.0MB in the beginning and 226.8MB in the end (delta: -28.8MB). Peak memory consumption was 116.9MB. 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 379 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 1098 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 669 IncrementalHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 432 mSDtfsCounter, 669 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 318 PreInvPairs, 346 NumberOfFragments, 495 HoareAnnotationTreeSize, 318 FomulaSimplifications, 254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 969 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) || systemActive < 1) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:03:53,565 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...