./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:07:07,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:07:07,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:07:07,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:07:07,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:07:07,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:07:07,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:07:07,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:07:07,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:07:07,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:07:07,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:07:07,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:07:07,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:07:07,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:07:07,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:07:07,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:07:07,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:07:07,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:07:07,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:07:07,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:07:07,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:07:07,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:07:07,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:07:07,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:07:07,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:07:07,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:07:07,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:07:07,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:07:07,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:07:07,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:07:07,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:07:07,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:07:07,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:07:07,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:07:07,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:07:07,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:07:07,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:07:07,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:07:07,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:07:07,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:07:07,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:07:07,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:07:07,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:07:07,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:07:07,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:07:07,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:07:07,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:07:07,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:07:07,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:07:07,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:07:07,597 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:07:07,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:07:07,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:07:07,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:07:07,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:07:07,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:07:07,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:07,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:07:07,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:07:07,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:07:07,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:07:07,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:07:07,601 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:07:07,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:07:07,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:07:07,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2022-02-20 18:07:07,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:07:07,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:07:07,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:07:07,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:07:07,796 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:07:07,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-02-20 18:07:07,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a1703/eb861743c40c4b60a3526a6defdc5659/FLAGed9b63e10 [2022-02-20 18:07:08,199 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:07:08,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-02-20 18:07:08,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a1703/eb861743c40c4b60a3526a6defdc5659/FLAGed9b63e10 [2022-02-20 18:07:08,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a1703/eb861743c40c4b60a3526a6defdc5659 [2022-02-20 18:07:08,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:07:08,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:07:08,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:08,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:07:08,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:07:08,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de17cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08, skipping insertion in model container [2022-02-20 18:07:08,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:07:08,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:07:08,504 WARN L230 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_spec2_product02.cil.c[17174,17187] [2022-02-20 18:07:08,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:08,513 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:07:08,565 WARN L230 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_spec2_product02.cil.c[17174,17187] [2022-02-20 18:07:08,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:08,577 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:07:08,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08 WrapperNode [2022-02-20 18:07:08,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:08,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:08,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:07:08,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:07:08,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,627 INFO L137 Inliner]: procedures = 51, calls = 146, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 191 [2022-02-20 18:07:08,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:08,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:07:08,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:07:08,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:07:08,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:07:08,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:07:08,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:07:08,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:07:08,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (1/1) ... [2022-02-20 18:07:08,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:07:08,699 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) [2022-02-20 18:07:08,700 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 [2022-02-20 18:07:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:07:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:07:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:07:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:07:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:07:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:07:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:07:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:07:08,787 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:07:08,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:07:09,031 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:07:09,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:07:09,037 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:07:09,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:09 BoogieIcfgContainer [2022-02-20 18:07:09,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:07:09,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:07:09,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:07:09,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:07:09,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:07:08" (1/3) ... [2022-02-20 18:07:09,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d406d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:09, skipping insertion in model container [2022-02-20 18:07:09,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:08" (2/3) ... [2022-02-20 18:07:09,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d406d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:09, skipping insertion in model container [2022-02-20 18:07:09,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:09" (3/3) ... [2022-02-20 18:07:09,046 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2022-02-20 18:07:09,051 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:07:09,051 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:07:09,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:07:09,094 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:07:09,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:07:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:07:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:07:09,112 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:09,113 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:07:09,113 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:09,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1108426209, now seen corresponding path program 1 times [2022-02-20 18:07:09,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:09,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841412524] [2022-02-20 18:07:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:07:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:09,340 INFO L290 TraceCheckUtils]: 0: Hoare triple {68#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {68#true} is VALID [2022-02-20 18:07:09,340 INFO L290 TraceCheckUtils]: 1: Hoare triple {68#true} assume true; {68#true} is VALID [2022-02-20 18:07:09,341 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {68#true} {69#false} #174#return; {69#false} is VALID [2022-02-20 18:07:09,347 INFO L290 TraceCheckUtils]: 0: Hoare triple {68#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {68#true} is VALID [2022-02-20 18:07:09,347 INFO L290 TraceCheckUtils]: 1: Hoare triple {68#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {68#true} is VALID [2022-02-20 18:07:09,347 INFO L290 TraceCheckUtils]: 2: Hoare triple {68#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {68#true} is VALID [2022-02-20 18:07:09,347 INFO L290 TraceCheckUtils]: 3: Hoare triple {68#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {68#true} is VALID [2022-02-20 18:07:09,348 INFO L290 TraceCheckUtils]: 4: Hoare triple {68#true} main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; {68#true} is VALID [2022-02-20 18:07:09,348 INFO L290 TraceCheckUtils]: 5: Hoare triple {68#true} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {68#true} is VALID [2022-02-20 18:07:09,349 INFO L290 TraceCheckUtils]: 6: Hoare triple {68#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {68#true} is VALID [2022-02-20 18:07:09,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {68#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {68#true} is VALID [2022-02-20 18:07:09,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {68#true} assume !true; {69#false} is VALID [2022-02-20 18:07:09,350 INFO L272 TraceCheckUtils]: 9: Hoare triple {69#false} call cleanup(); {69#false} is VALID [2022-02-20 18:07:09,350 INFO L290 TraceCheckUtils]: 10: Hoare triple {69#false} havoc ~i~0;havoc ~__cil_tmp2~0; {69#false} is VALID [2022-02-20 18:07:09,351 INFO L272 TraceCheckUtils]: 11: Hoare triple {69#false} call timeShift(); {69#false} is VALID [2022-02-20 18:07:09,351 INFO L290 TraceCheckUtils]: 12: Hoare triple {69#false} assume !(0 != ~pumpRunning~0); {69#false} is VALID [2022-02-20 18:07:09,351 INFO L290 TraceCheckUtils]: 13: Hoare triple {69#false} assume !(0 != ~systemActive~0); {69#false} is VALID [2022-02-20 18:07:09,351 INFO L290 TraceCheckUtils]: 14: Hoare triple {69#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1; {69#false} is VALID [2022-02-20 18:07:09,351 INFO L272 TraceCheckUtils]: 15: Hoare triple {69#false} call __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical(); {68#true} is VALID [2022-02-20 18:07:09,352 INFO L290 TraceCheckUtils]: 16: Hoare triple {68#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {68#true} is VALID [2022-02-20 18:07:09,352 INFO L290 TraceCheckUtils]: 17: Hoare triple {68#true} assume true; {68#true} is VALID [2022-02-20 18:07:09,352 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {68#true} {69#false} #174#return; {69#false} is VALID [2022-02-20 18:07:09,352 INFO L290 TraceCheckUtils]: 19: Hoare triple {69#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret10#1 && __utac_acc__Specification2_spec__2_#t~ret10#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {69#false} is VALID [2022-02-20 18:07:09,352 INFO L290 TraceCheckUtils]: 20: Hoare triple {69#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; {69#false} is VALID [2022-02-20 18:07:09,353 INFO L290 TraceCheckUtils]: 21: Hoare triple {69#false} __utac_acc__Specification2_spec__2_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11#1 && __utac_acc__Specification2_spec__2_#t~ret11#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {69#false} is VALID [2022-02-20 18:07:09,353 INFO L290 TraceCheckUtils]: 22: Hoare triple {69#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0#1; {69#false} is VALID [2022-02-20 18:07:09,353 INFO L290 TraceCheckUtils]: 23: Hoare triple {69#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {69#false} is VALID [2022-02-20 18:07:09,354 INFO L290 TraceCheckUtils]: 24: Hoare triple {69#false} assume !false; {69#false} is VALID [2022-02-20 18:07:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:09,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:09,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841412524] [2022-02-20 18:07:09,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841412524] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:09,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:09,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:07:09,358 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224045967] [2022-02-20 18:07:09,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:09,363 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:09,365 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:09,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,402 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:09,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:07:09,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:07:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:09,427 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:09,506 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2022-02-20 18:07:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:07:09,507 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 164 transitions. [2022-02-20 18:07:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 164 transitions. [2022-02-20 18:07:09,525 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 164 transitions. [2022-02-20 18:07:09,667 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:09,682 INFO L225 Difference]: With dead ends: 121 [2022-02-20 18:07:09,683 INFO L226 Difference]: Without dead ends: 56 [2022-02-20 18:07:09,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:09,689 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:09,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:09,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-02-20 18:07:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-02-20 18:07:09,719 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:09,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:09,721 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:09,723 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:09,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:09,733 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-02-20 18:07:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-02-20 18:07:09,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:09,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:09,734 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 56 states. [2022-02-20 18:07:09,735 INFO L87 Difference]: Start difference. First operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 56 states. [2022-02-20 18:07:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:09,738 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-02-20 18:07:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-02-20 18:07:09,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:09,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:09,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:09,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-02-20 18:07:09,742 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 25 [2022-02-20 18:07:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:09,742 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-02-20 18:07:09,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-02-20 18:07:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 18:07:09,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:09,750 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:07:09,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:07:09,750 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:09,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash -52282975, now seen corresponding path program 1 times [2022-02-20 18:07:09,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:09,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458125498] [2022-02-20 18:07:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:09,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 18:07:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:09,839 INFO L290 TraceCheckUtils]: 0: Hoare triple {440#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {440#true} is VALID [2022-02-20 18:07:09,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {440#true} assume true; {440#true} is VALID [2022-02-20 18:07:09,840 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {440#true} {441#false} #174#return; {441#false} is VALID [2022-02-20 18:07:09,840 INFO L290 TraceCheckUtils]: 0: Hoare triple {440#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {440#true} is VALID [2022-02-20 18:07:09,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {440#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {440#true} is VALID [2022-02-20 18:07:09,841 INFO L290 TraceCheckUtils]: 2: Hoare triple {440#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {440#true} is VALID [2022-02-20 18:07:09,841 INFO L290 TraceCheckUtils]: 3: Hoare triple {440#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {440#true} is VALID [2022-02-20 18:07:09,841 INFO L290 TraceCheckUtils]: 4: Hoare triple {440#true} main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; {440#true} is VALID [2022-02-20 18:07:09,841 INFO L290 TraceCheckUtils]: 5: Hoare triple {440#true} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {440#true} is VALID [2022-02-20 18:07:09,841 INFO L290 TraceCheckUtils]: 6: Hoare triple {440#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {440#true} is VALID [2022-02-20 18:07:09,842 INFO L290 TraceCheckUtils]: 7: Hoare triple {440#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {442#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:09,842 INFO L290 TraceCheckUtils]: 8: Hoare triple {442#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {442#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:09,843 INFO L290 TraceCheckUtils]: 9: Hoare triple {442#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {441#false} is VALID [2022-02-20 18:07:09,843 INFO L272 TraceCheckUtils]: 10: Hoare triple {441#false} call cleanup(); {441#false} is VALID [2022-02-20 18:07:09,843 INFO L290 TraceCheckUtils]: 11: Hoare triple {441#false} havoc ~i~0;havoc ~__cil_tmp2~0; {441#false} is VALID [2022-02-20 18:07:09,843 INFO L272 TraceCheckUtils]: 12: Hoare triple {441#false} call timeShift(); {441#false} is VALID [2022-02-20 18:07:09,843 INFO L290 TraceCheckUtils]: 13: Hoare triple {441#false} assume !(0 != ~pumpRunning~0); {441#false} is VALID [2022-02-20 18:07:09,844 INFO L290 TraceCheckUtils]: 14: Hoare triple {441#false} assume !(0 != ~systemActive~0); {441#false} is VALID [2022-02-20 18:07:09,844 INFO L290 TraceCheckUtils]: 15: Hoare triple {441#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1; {441#false} is VALID [2022-02-20 18:07:09,844 INFO L272 TraceCheckUtils]: 16: Hoare triple {441#false} call __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical(); {440#true} is VALID [2022-02-20 18:07:09,844 INFO L290 TraceCheckUtils]: 17: Hoare triple {440#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {440#true} is VALID [2022-02-20 18:07:09,844 INFO L290 TraceCheckUtils]: 18: Hoare triple {440#true} assume true; {440#true} is VALID [2022-02-20 18:07:09,845 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {440#true} {441#false} #174#return; {441#false} is VALID [2022-02-20 18:07:09,845 INFO L290 TraceCheckUtils]: 20: Hoare triple {441#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret10#1 && __utac_acc__Specification2_spec__2_#t~ret10#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {441#false} is VALID [2022-02-20 18:07:09,845 INFO L290 TraceCheckUtils]: 21: Hoare triple {441#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; {441#false} is VALID [2022-02-20 18:07:09,845 INFO L290 TraceCheckUtils]: 22: Hoare triple {441#false} __utac_acc__Specification2_spec__2_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11#1 && __utac_acc__Specification2_spec__2_#t~ret11#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {441#false} is VALID [2022-02-20 18:07:09,845 INFO L290 TraceCheckUtils]: 23: Hoare triple {441#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0#1; {441#false} is VALID [2022-02-20 18:07:09,845 INFO L290 TraceCheckUtils]: 24: Hoare triple {441#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {441#false} is VALID [2022-02-20 18:07:09,846 INFO L290 TraceCheckUtils]: 25: Hoare triple {441#false} assume !false; {441#false} is VALID [2022-02-20 18:07:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:09,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:09,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458125498] [2022-02-20 18:07:09,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458125498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:09,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:09,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:07:09,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111590409] [2022-02-20 18:07:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:09,848 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:09,848 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:09,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,866 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:09,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:07:09,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:07:09,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:09,868 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:09,931 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2022-02-20 18:07:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:07:09,931 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-02-20 18:07:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-02-20 18:07:09,945 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 94 transitions. [2022-02-20 18:07:10,009 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,013 INFO L225 Difference]: With dead ends: 76 [2022-02-20 18:07:10,013 INFO L226 Difference]: Without dead ends: 47 [2022-02-20 18:07:10,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:10,018 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:10,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-02-20 18:07:10,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-02-20 18:07:10,028 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:10,028 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,028 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,029 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,034 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2022-02-20 18:07:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-02-20 18:07:10,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,034 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,034 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 47 states. [2022-02-20 18:07:10,035 INFO L87 Difference]: Start difference. First operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 47 states. [2022-02-20 18:07:10,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,036 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2022-02-20 18:07:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-02-20 18:07:10,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,037 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:10,037 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2022-02-20 18:07:10,039 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 26 [2022-02-20 18:07:10,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:10,040 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-02-20 18:07:10,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-02-20 18:07:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 18:07:10,042 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:10,042 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:07:10,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:07:10,042 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:10,046 INFO L85 PathProgramCache]: Analyzing trace with hash 257935222, now seen corresponding path program 1 times [2022-02-20 18:07:10,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:10,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735060553] [2022-02-20 18:07:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:07:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,116 INFO L290 TraceCheckUtils]: 0: Hoare triple {715#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {715#true} is VALID [2022-02-20 18:07:10,116 INFO L290 TraceCheckUtils]: 1: Hoare triple {715#true} assume true; {715#true} is VALID [2022-02-20 18:07:10,116 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {715#true} {716#false} #174#return; {716#false} is VALID [2022-02-20 18:07:10,116 INFO L290 TraceCheckUtils]: 0: Hoare triple {715#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {715#true} is VALID [2022-02-20 18:07:10,117 INFO L290 TraceCheckUtils]: 1: Hoare triple {715#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {715#true} is VALID [2022-02-20 18:07:10,117 INFO L290 TraceCheckUtils]: 2: Hoare triple {715#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {715#true} is VALID [2022-02-20 18:07:10,117 INFO L290 TraceCheckUtils]: 3: Hoare triple {715#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {717#(= |ULTIMATE.start_valid_product_#res#1| 1)} is VALID [2022-02-20 18:07:10,118 INFO L290 TraceCheckUtils]: 4: Hoare triple {717#(= |ULTIMATE.start_valid_product_#res#1| 1)} main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; {718#(= |ULTIMATE.start_main_~tmp~4#1| 1)} is VALID [2022-02-20 18:07:10,118 INFO L290 TraceCheckUtils]: 5: Hoare triple {718#(= |ULTIMATE.start_main_~tmp~4#1| 1)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {715#true} is VALID [2022-02-20 18:07:10,118 INFO L290 TraceCheckUtils]: 6: Hoare triple {715#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {715#true} is VALID [2022-02-20 18:07:10,118 INFO L290 TraceCheckUtils]: 7: Hoare triple {715#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {715#true} is VALID [2022-02-20 18:07:10,118 INFO L290 TraceCheckUtils]: 8: Hoare triple {715#true} assume !false; {715#true} is VALID [2022-02-20 18:07:10,119 INFO L290 TraceCheckUtils]: 9: Hoare triple {715#true} assume test_~splverifierCounter~0#1 < 4; {715#true} is VALID [2022-02-20 18:07:10,119 INFO L290 TraceCheckUtils]: 10: Hoare triple {715#true} assume -2147483648 <= test_#t~nondet45#1 && test_#t~nondet45#1 <= 2147483647;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {715#true} is VALID [2022-02-20 18:07:10,119 INFO L290 TraceCheckUtils]: 11: Hoare triple {715#true} assume !(0 != test_~tmp~5#1); {715#true} is VALID [2022-02-20 18:07:10,119 INFO L290 TraceCheckUtils]: 12: Hoare triple {715#true} assume -2147483648 <= test_#t~nondet46#1 && test_#t~nondet46#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {715#true} is VALID [2022-02-20 18:07:10,121 INFO L290 TraceCheckUtils]: 13: Hoare triple {715#true} assume !(0 != test_~tmp___0~1#1); {715#true} is VALID [2022-02-20 18:07:10,122 INFO L290 TraceCheckUtils]: 14: Hoare triple {715#true} assume -2147483648 <= test_#t~nondet47#1 && test_#t~nondet47#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {715#true} is VALID [2022-02-20 18:07:10,122 INFO L290 TraceCheckUtils]: 15: Hoare triple {715#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {719#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:10,123 INFO L290 TraceCheckUtils]: 16: Hoare triple {719#(not (= 0 ~systemActive~0))} assume { :end_inline_startSystem } true; {719#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:10,123 INFO L272 TraceCheckUtils]: 17: Hoare triple {719#(not (= 0 ~systemActive~0))} call timeShift(); {719#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:10,123 INFO L290 TraceCheckUtils]: 18: Hoare triple {719#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {719#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:10,124 INFO L290 TraceCheckUtils]: 19: Hoare triple {719#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {716#false} is VALID [2022-02-20 18:07:10,124 INFO L290 TraceCheckUtils]: 20: Hoare triple {716#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1; {716#false} is VALID [2022-02-20 18:07:10,124 INFO L272 TraceCheckUtils]: 21: Hoare triple {716#false} call __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical(); {715#true} is VALID [2022-02-20 18:07:10,124 INFO L290 TraceCheckUtils]: 22: Hoare triple {715#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {715#true} is VALID [2022-02-20 18:07:10,125 INFO L290 TraceCheckUtils]: 23: Hoare triple {715#true} assume true; {715#true} is VALID [2022-02-20 18:07:10,125 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {715#true} {716#false} #174#return; {716#false} is VALID [2022-02-20 18:07:10,125 INFO L290 TraceCheckUtils]: 25: Hoare triple {716#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret10#1 && __utac_acc__Specification2_spec__2_#t~ret10#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {716#false} is VALID [2022-02-20 18:07:10,125 INFO L290 TraceCheckUtils]: 26: Hoare triple {716#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; {716#false} is VALID [2022-02-20 18:07:10,125 INFO L290 TraceCheckUtils]: 27: Hoare triple {716#false} __utac_acc__Specification2_spec__2_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11#1 && __utac_acc__Specification2_spec__2_#t~ret11#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {716#false} is VALID [2022-02-20 18:07:10,125 INFO L290 TraceCheckUtils]: 28: Hoare triple {716#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0#1; {716#false} is VALID [2022-02-20 18:07:10,126 INFO L290 TraceCheckUtils]: 29: Hoare triple {716#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {716#false} is VALID [2022-02-20 18:07:10,126 INFO L290 TraceCheckUtils]: 30: Hoare triple {716#false} assume !false; {716#false} is VALID [2022-02-20 18:07:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:10,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:10,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735060553] [2022-02-20 18:07:10,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735060553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:10,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:10,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:07:10,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466424055] [2022-02-20 18:07:10,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:10,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-20 18:07:10,130 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:10,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,150 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:07:10,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:10,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:07:10,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:07:10,152 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,297 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2022-02-20 18:07:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:10,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-20 18:07:10,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2022-02-20 18:07:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2022-02-20 18:07:10,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 109 transitions. [2022-02-20 18:07:10,385 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,386 INFO L225 Difference]: With dead ends: 86 [2022-02-20 18:07:10,387 INFO L226 Difference]: Without dead ends: 47 [2022-02-20 18:07:10,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:07:10,388 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:10,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 119 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:10,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-02-20 18:07:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-02-20 18:07:10,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:10,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,392 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,392 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,394 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-02-20 18:07:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-02-20 18:07:10,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,394 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 47 states. [2022-02-20 18:07:10,395 INFO L87 Difference]: Start difference. First operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 47 states. [2022-02-20 18:07:10,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,396 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-02-20 18:07:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-02-20 18:07:10,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,397 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:10,397 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:07:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2022-02-20 18:07:10,398 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 31 [2022-02-20 18:07:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:10,399 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-02-20 18:07:10,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-02-20 18:07:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:07:10,399 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:10,400 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:07:10,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:07:10,400 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:10,400 INFO L85 PathProgramCache]: Analyzing trace with hash -307517961, now seen corresponding path program 1 times [2022-02-20 18:07:10,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:10,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736662386] [2022-02-20 18:07:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-02-20 18:07:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,485 INFO L290 TraceCheckUtils]: 0: Hoare triple {1009#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} is VALID [2022-02-20 18:07:10,485 INFO L290 TraceCheckUtils]: 1: Hoare triple {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} assume true; {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} is VALID [2022-02-20 18:07:10,486 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} {1011#(= ~methaneLevelCritical~0 0)} #174#return; {1015#(= |timeShift___utac_acc__Specification2_spec__2_#t~ret10#1| 0)} is VALID [2022-02-20 18:07:10,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {1009#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,487 INFO L290 TraceCheckUtils]: 1: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,488 INFO L290 TraceCheckUtils]: 3: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,488 INFO L290 TraceCheckUtils]: 4: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,489 INFO L290 TraceCheckUtils]: 5: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,489 INFO L290 TraceCheckUtils]: 6: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,489 INFO L290 TraceCheckUtils]: 7: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,491 INFO L290 TraceCheckUtils]: 8: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume !false; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,493 INFO L290 TraceCheckUtils]: 10: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume -2147483648 <= test_#t~nondet45#1 && test_#t~nondet45#1 <= 2147483647;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,494 INFO L290 TraceCheckUtils]: 11: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~5#1); {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,494 INFO L290 TraceCheckUtils]: 12: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume -2147483648 <= test_#t~nondet46#1 && test_#t~nondet46#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,494 INFO L290 TraceCheckUtils]: 13: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~1#1); {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,495 INFO L290 TraceCheckUtils]: 14: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume -2147483648 <= test_#t~nondet47#1 && test_#t~nondet47#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,495 INFO L290 TraceCheckUtils]: 15: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,497 INFO L290 TraceCheckUtils]: 16: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_startSystem } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,501 INFO L272 TraceCheckUtils]: 17: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} call timeShift(); {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,502 INFO L290 TraceCheckUtils]: 18: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,502 INFO L290 TraceCheckUtils]: 19: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,502 INFO L290 TraceCheckUtils]: 20: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,503 INFO L290 TraceCheckUtils]: 21: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1; {1011#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-20 18:07:10,503 INFO L272 TraceCheckUtils]: 22: Hoare triple {1011#(= ~methaneLevelCritical~0 0)} call __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical(); {1009#true} is VALID [2022-02-20 18:07:10,505 INFO L290 TraceCheckUtils]: 23: Hoare triple {1009#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} is VALID [2022-02-20 18:07:10,505 INFO L290 TraceCheckUtils]: 24: Hoare triple {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} assume true; {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} is VALID [2022-02-20 18:07:10,506 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1017#(= |isMethaneLevelCritical_#res| ~methaneLevelCritical~0)} {1011#(= ~methaneLevelCritical~0 0)} #174#return; {1015#(= |timeShift___utac_acc__Specification2_spec__2_#t~ret10#1| 0)} is VALID [2022-02-20 18:07:10,507 INFO L290 TraceCheckUtils]: 26: Hoare triple {1015#(= |timeShift___utac_acc__Specification2_spec__2_#t~ret10#1| 0)} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret10#1 && __utac_acc__Specification2_spec__2_#t~ret10#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {1016#(= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)} is VALID [2022-02-20 18:07:10,508 INFO L290 TraceCheckUtils]: 27: Hoare triple {1016#(= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; {1010#false} is VALID [2022-02-20 18:07:10,515 INFO L290 TraceCheckUtils]: 28: Hoare triple {1010#false} __utac_acc__Specification2_spec__2_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11#1 && __utac_acc__Specification2_spec__2_#t~ret11#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {1010#false} is VALID [2022-02-20 18:07:10,515 INFO L290 TraceCheckUtils]: 29: Hoare triple {1010#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0#1; {1010#false} is VALID [2022-02-20 18:07:10,515 INFO L290 TraceCheckUtils]: 30: Hoare triple {1010#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {1010#false} is VALID [2022-02-20 18:07:10,516 INFO L290 TraceCheckUtils]: 31: Hoare triple {1010#false} assume !false; {1010#false} is VALID [2022-02-20 18:07:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:10,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:10,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736662386] [2022-02-20 18:07:10,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736662386] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:10,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:10,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:07:10,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988452233] [2022-02-20 18:07:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:10,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-02-20 18:07:10,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:10,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,537 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:07:10,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:10,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:07:10,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:07:10,538 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,717 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2022-02-20 18:07:10,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 18:07:10,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-02-20 18:07:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 155 transitions. [2022-02-20 18:07:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 155 transitions. [2022-02-20 18:07:10,724 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 155 transitions. [2022-02-20 18:07:10,822 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,824 INFO L225 Difference]: With dead ends: 123 [2022-02-20 18:07:10,824 INFO L226 Difference]: Without dead ends: 84 [2022-02-20 18:07:10,825 INFO L932 BasicCegarLoop]: 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 [2022-02-20 18:07:10,825 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 28 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:10,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 261 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-02-20 18:07:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2022-02-20 18:07:10,832 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:10,832 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-02-20 18:07:10,832 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-02-20 18:07:10,833 INFO L87 Difference]: Start difference. First operand 84 states. Second operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-02-20 18:07:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,835 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2022-02-20 18:07:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2022-02-20 18:07:10,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,836 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Second operand 84 states. [2022-02-20 18:07:10,836 INFO L87 Difference]: Start difference. First operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Second operand 84 states. [2022-02-20 18:07:10,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:10,838 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2022-02-20 18:07:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2022-02-20 18:07:10,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:10,839 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:10,839 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:10,839 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-02-20 18:07:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2022-02-20 18:07:10,841 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 32 [2022-02-20 18:07:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:10,841 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2022-02-20 18:07:10,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2022-02-20 18:07:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 18:07:10,842 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:10,842 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:07:10,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:07:10,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2002017043, now seen corresponding path program 1 times [2022-02-20 18:07:10,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:10,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320979035] [2022-02-20 18:07:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:07:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,902 INFO L290 TraceCheckUtils]: 0: Hoare triple {1488#(= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1477#true} is VALID [2022-02-20 18:07:10,903 INFO L290 TraceCheckUtils]: 1: Hoare triple {1477#true} assume true; {1477#true} is VALID [2022-02-20 18:07:10,904 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1477#true} {1479#(= ~pumpRunning~0 0)} #182#return; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 18:07:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:10,909 INFO L290 TraceCheckUtils]: 0: Hoare triple {1477#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1477#true} is VALID [2022-02-20 18:07:10,909 INFO L290 TraceCheckUtils]: 1: Hoare triple {1477#true} assume true; {1477#true} is VALID [2022-02-20 18:07:10,910 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1477#true} {1479#(= ~pumpRunning~0 0)} #174#return; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,910 INFO L290 TraceCheckUtils]: 0: Hoare triple {1477#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,910 INFO L290 TraceCheckUtils]: 1: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,911 INFO L290 TraceCheckUtils]: 2: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,911 INFO L290 TraceCheckUtils]: 3: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,911 INFO L290 TraceCheckUtils]: 4: Hoare triple {1479#(= ~pumpRunning~0 0)} main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,912 INFO L290 TraceCheckUtils]: 5: Hoare triple {1479#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,912 INFO L290 TraceCheckUtils]: 6: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,912 INFO L290 TraceCheckUtils]: 7: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,913 INFO L290 TraceCheckUtils]: 8: Hoare triple {1479#(= ~pumpRunning~0 0)} assume !false; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,913 INFO L290 TraceCheckUtils]: 9: Hoare triple {1479#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,913 INFO L290 TraceCheckUtils]: 10: Hoare triple {1479#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet45#1 && test_#t~nondet45#1 <= 2147483647;test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,914 INFO L290 TraceCheckUtils]: 11: Hoare triple {1479#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~5#1); {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,914 INFO L290 TraceCheckUtils]: 12: Hoare triple {1479#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet46#1 && test_#t~nondet46#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,914 INFO L290 TraceCheckUtils]: 13: Hoare triple {1479#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___0~1#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,915 INFO L272 TraceCheckUtils]: 14: Hoare triple {1479#(= ~pumpRunning~0 0)} call changeMethaneLevel(); {1488#(= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)} is VALID [2022-02-20 18:07:10,915 INFO L290 TraceCheckUtils]: 15: Hoare triple {1488#(= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1477#true} is VALID [2022-02-20 18:07:10,915 INFO L290 TraceCheckUtils]: 16: Hoare triple {1477#true} assume true; {1477#true} is VALID [2022-02-20 18:07:10,915 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1477#true} {1479#(= ~pumpRunning~0 0)} #182#return; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,916 INFO L290 TraceCheckUtils]: 18: Hoare triple {1479#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet47#1 && test_#t~nondet47#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,916 INFO L290 TraceCheckUtils]: 19: Hoare triple {1479#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,916 INFO L290 TraceCheckUtils]: 20: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,918 INFO L272 TraceCheckUtils]: 21: Hoare triple {1479#(= ~pumpRunning~0 0)} call timeShift(); {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,918 INFO L290 TraceCheckUtils]: 22: Hoare triple {1479#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,919 INFO L290 TraceCheckUtils]: 23: Hoare triple {1479#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,919 INFO L290 TraceCheckUtils]: 24: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,919 INFO L290 TraceCheckUtils]: 25: Hoare triple {1479#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,919 INFO L272 TraceCheckUtils]: 26: Hoare triple {1479#(= ~pumpRunning~0 0)} call __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical(); {1477#true} is VALID [2022-02-20 18:07:10,920 INFO L290 TraceCheckUtils]: 27: Hoare triple {1477#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1477#true} is VALID [2022-02-20 18:07:10,920 INFO L290 TraceCheckUtils]: 28: Hoare triple {1477#true} assume true; {1477#true} is VALID [2022-02-20 18:07:10,920 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1477#true} {1479#(= ~pumpRunning~0 0)} #174#return; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,921 INFO L290 TraceCheckUtils]: 30: Hoare triple {1479#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret10#1 && __utac_acc__Specification2_spec__2_#t~ret10#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {1479#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:10,922 INFO L290 TraceCheckUtils]: 31: Hoare triple {1479#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; {1486#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:07:10,922 INFO L290 TraceCheckUtils]: 32: Hoare triple {1486#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification2_spec__2_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11#1 && __utac_acc__Specification2_spec__2_#t~ret11#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {1487#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~0#1| 0)} is VALID [2022-02-20 18:07:10,922 INFO L290 TraceCheckUtils]: 33: Hoare triple {1487#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~0#1| 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0#1; {1478#false} is VALID [2022-02-20 18:07:10,923 INFO L290 TraceCheckUtils]: 34: Hoare triple {1478#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {1478#false} is VALID [2022-02-20 18:07:10,923 INFO L290 TraceCheckUtils]: 35: Hoare triple {1478#false} assume !false; {1478#false} is VALID [2022-02-20 18:07:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:10,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:10,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320979035] [2022-02-20 18:07:10,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320979035] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:10,923 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:10,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:07:10,924 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778315884] [2022-02-20 18:07:10,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-02-20 18:07:10,925 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:10,925 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:10,947 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:10,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:07:10,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:07:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:07:10,949 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:11,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:11,123 INFO L93 Difference]: Finished difference Result 150 states and 186 transitions. [2022-02-20 18:07:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:07:11,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-02-20 18:07:11,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2022-02-20 18:07:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2022-02-20 18:07:11,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 104 transitions. [2022-02-20 18:07:11,186 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:11,186 INFO L225 Difference]: With dead ends: 150 [2022-02-20 18:07:11,186 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:07:11,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:07:11,191 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:11,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 121 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:11,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:07:11,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:07:11,192 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:11,192 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-02-20 18:07:11,192 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-02-20 18:07:11,193 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-02-20 18:07:11,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:11,193 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:11,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:11,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:11,193 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 18:07:11,193 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 18:07:11,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:11,193 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:11,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:11,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:11,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:11,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:11,193 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) [2022-02-20 18:07:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:07:11,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-02-20 18:07:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:11,194 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:07:11,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:11,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:11,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:07:11,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:07:11,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:07:11,460 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L854 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0) .cse1))) [2022-02-20 18:07:11,460 INFO L861 garLoopResultBuilder]: At program point L715(lines 711 717) the Hoare annotation is: true [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 687 710) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 207) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-02-20 18:07:11,460 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:11,460 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 210) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L854 garLoopResultBuilder]: At program point L193-1(lines 185 213) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:11,461 INFO L861 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: true [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L691-1(lines 690 709) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 687 710) the Hoare annotation is: true [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 687 710) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L854 garLoopResultBuilder]: At program point L871(lines 866 873) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L861 garLoopResultBuilder]: At program point L608(lines 583 612) the Hoare annotation is: true [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 583 612) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 583 612) the Hoare annotation is: true [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2022-02-20 18:07:11,461 INFO L861 garLoopResultBuilder]: At program point L597-1(lines 597 601) the Hoare annotation is: true [2022-02-20 18:07:11,461 INFO L858 garLoopResultBuilder]: For program point L594(line 594) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L861 garLoopResultBuilder]: At program point L593-2(lines 593 607) the Hoare annotation is: true [2022-02-20 18:07:11,462 INFO L861 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: true [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L589-1(line 589) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L854 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,462 INFO L854 garLoopResultBuilder]: At program point L857(lines 808 858) the Hoare annotation is: false [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L667-2(lines 667 674) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L861 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 835) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L858 garLoopResultBuilder]: For program point L829-1(lines 829 835) no Hoare annotation was computed. [2022-02-20 18:07:11,462 INFO L854 garLoopResultBuilder]: At program point L854(lines 809 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,462 INFO L854 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L847-2(lines 839 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L810(lines 809 856) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 852) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L861 garLoopResultBuilder]: At program point L860(lines 799 864) the Hoare annotation is: true [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L861 garLoopResultBuilder]: At program point L654(lines 646 656) the Hoare annotation is: true [2022-02-20 18:07:11,463 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,463 INFO L854 garLoopResultBuilder]: At program point L642(lines 638 644) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:11,464 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2022-02-20 18:07:11,464 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-02-20 18:07:11,464 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-02-20 18:07:11,466 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-20 18:07:11,466 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:07:11,475 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:07:11,475 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:07:11,475 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:07:11,475 WARN L170 areAnnotationChecker]: L691-1 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L691-1 has no Hoare annotation [2022-02-20 18:07:11,476 WARN L170 areAnnotationChecker]: L691-1 has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:07:11,477 WARN L170 areAnnotationChecker]: L691-1 has no Hoare annotation [2022-02-20 18:07:11,478 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2022-02-20 18:07:11,478 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2022-02-20 18:07:11,478 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2022-02-20 18:07:11,478 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L829-1 has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2022-02-20 18:07:11,479 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2022-02-20 18:07:11,480 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2022-02-20 18:07:11,481 WARN L170 areAnnotationChecker]: L829-1 has no Hoare annotation [2022-02-20 18:07:11,482 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2022-02-20 18:07:11,482 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2022-02-20 18:07:11,482 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2022-02-20 18:07:11,482 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L667-2 has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L667-2 has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2022-02-20 18:07:11,483 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2022-02-20 18:07:11,484 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2022-02-20 18:07:11,485 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:11,485 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2022-02-20 18:07:11,485 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2022-02-20 18:07:11,485 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2022-02-20 18:07:11,485 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2022-02-20 18:07:11,485 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:07:11,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:07:11 BoogieIcfgContainer [2022-02-20 18:07:11,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:07:11,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:07:11,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:07:11,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:07:11,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:09" (3/4) ... [2022-02-20 18:07:11,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:07:11,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:07:11,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:07:11,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:07:11,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:07:11,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:07:11,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-02-20 18:07:11,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:07:11,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:07:11,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:07:11,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:07:11,519 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:11,519 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:11,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-02-20 18:07:11,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:11,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:11,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-02-20 18:07:11,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-02-20 18:07:11,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(pumpRunning == 0) || \result == 0) || 0 == systemActive) [2022-02-20 18:07:11,562 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:07:11,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:07:11,564 INFO L158 Benchmark]: Toolchain (without parser) took 3340.75ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 63.2MB in the beginning and 103.5MB in the end (delta: -40.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,564 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:07:11,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.78ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 123.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.90ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 60.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,565 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,565 INFO L158 Benchmark]: RCFGBuilder took 385.54ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 58.6MB in the beginning and 91.3MB in the end (delta: -32.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,565 INFO L158 Benchmark]: TraceAbstraction took 2463.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.8MB in the beginning and 107.7MB in the end (delta: -16.9MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,565 INFO L158 Benchmark]: Witness Printer took 57.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:07:11,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.78ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 123.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.90ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 60.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.54ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 58.6MB in the beginning and 91.3MB in the end (delta: -32.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2463.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.8MB in the beginning and 107.7MB in the end (delta: -16.9MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Witness Printer took 57.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 677 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 388 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 289 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 123 PreInvPairs, 145 NumberOfFragments, 235 HoareAnnotationTreeSize, 123 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 411 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 96]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(pumpRunning == 0) || \result == 0) || 0 == systemActive) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-02-20 18:07:11,617 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE