./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_product15.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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:07:15,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:07:15,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:07:15,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:07:15,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:07:15,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:07:15,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:07:15,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:07:15,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:07:15,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:07:15,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:07:15,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:07:15,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:07:15,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:07:15,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:07:15,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:07:15,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:07:15,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:07:15,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:07:15,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:07:15,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:07:15,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:07:15,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:07:15,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:07:15,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:07:15,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:07:15,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:07:15,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:07:15,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:07:15,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:07:15,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:07:15,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:07:15,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:07:15,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:07:15,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:07:15,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:07:15,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:07:15,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:07:15,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:07:15,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:07:15,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:07:15,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:07:15,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:07:15,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:07:15,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:07:15,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:07:15,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:07:15,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:07:15,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:07:15,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:07:15,734 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:07:15,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:07:15,735 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:07:15,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:07:15,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:07:15,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:07:15,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:07:15,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:07:15,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:07:15,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:07:15,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:15,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:07:15,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:07:15,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-02-20 18:07:15,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:07:15,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:07:15,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:07:15,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:07:15,949 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:07:15,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-02-20 18:07:16,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2fc75df/88c829526ed148bd9fb5d7298aded4b7/FLAG3c0099f85 [2022-02-20 18:07:16,404 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:07:16,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-02-20 18:07:16,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2fc75df/88c829526ed148bd9fb5d7298aded4b7/FLAG3c0099f85 [2022-02-20 18:07:16,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2fc75df/88c829526ed148bd9fb5d7298aded4b7 [2022-02-20 18:07:16,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:07:16,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:07:16,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:16,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:07:16,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:07:16,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c667028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16, skipping insertion in model container [2022-02-20 18:07:16,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:07:16,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:07:16,627 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_product15.cil.c[5831,5844] [2022-02-20 18:07:16,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:16,698 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:07:16,742 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_product15.cil.c[5831,5844] [2022-02-20 18:07:16,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:16,817 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:07:16,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16 WrapperNode [2022-02-20 18:07:16,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:16,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:16,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:07:16,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:07:16,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,875 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 203 [2022-02-20 18:07:16,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:16,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:07:16,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:07:16,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:07:16,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:07:16,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:07:16,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:07:16,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:07:16,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (1/1) ... [2022-02-20 18:07:16,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:07:16,960 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 18:07:16,981 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 18:07:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:07:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:07:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:07:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:07:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:07:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:07:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:07:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:07:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:07:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:07:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:07:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-02-20 18:07:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-02-20 18:07:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-02-20 18:07:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-02-20 18:07:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:07:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:07:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:07:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:07:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:07:17,043 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:07:17,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:07:17,375 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:07:17,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:07:17,381 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:07:17,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:17 BoogieIcfgContainer [2022-02-20 18:07:17,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:07:17,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:07:17,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:07:17,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:07:17,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:07:16" (1/3) ... [2022-02-20 18:07:17,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6fe8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:17, skipping insertion in model container [2022-02-20 18:07:17,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:16" (2/3) ... [2022-02-20 18:07:17,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6fe8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:17, skipping insertion in model container [2022-02-20 18:07:17,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:17" (3/3) ... [2022-02-20 18:07:17,401 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2022-02-20 18:07:17,405 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:07:17,405 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:07:17,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:07:17,453 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 18:07:17,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:07:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-02-20 18:07:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:07:17,477 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:17,478 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 18:07:17,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:17,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:17,484 INFO L85 PathProgramCache]: Analyzing trace with hash -326168501, now seen corresponding path program 1 times [2022-02-20 18:07:17,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:17,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907438177] [2022-02-20 18:07:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:07:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:17,733 INFO L290 TraceCheckUtils]: 0: Hoare triple {88#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {88#true} is VALID [2022-02-20 18:07:17,734 INFO L290 TraceCheckUtils]: 1: Hoare triple {88#true} assume true; {88#true} is VALID [2022-02-20 18:07:17,734 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {88#true} {89#false} #218#return; {89#false} is VALID [2022-02-20 18:07:17,739 INFO L290 TraceCheckUtils]: 0: Hoare triple {88#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {88#true} is VALID [2022-02-20 18:07:17,739 INFO L290 TraceCheckUtils]: 1: Hoare triple {88#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {88#true} is VALID [2022-02-20 18:07:17,740 INFO L290 TraceCheckUtils]: 2: Hoare triple {88#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {88#true} is VALID [2022-02-20 18:07:17,740 INFO L290 TraceCheckUtils]: 3: Hoare triple {88#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {88#true} is VALID [2022-02-20 18:07:17,740 INFO L290 TraceCheckUtils]: 4: Hoare triple {88#true} main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret50#1 && main_#t~ret50#1 <= 2147483647;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; {88#true} is VALID [2022-02-20 18:07:17,740 INFO L290 TraceCheckUtils]: 5: Hoare triple {88#true} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {88#true} is VALID [2022-02-20 18:07:17,741 INFO L290 TraceCheckUtils]: 6: Hoare triple {88#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {88#true} is VALID [2022-02-20 18:07:17,741 INFO L290 TraceCheckUtils]: 7: Hoare triple {88#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {88#true} is VALID [2022-02-20 18:07:17,742 INFO L290 TraceCheckUtils]: 8: Hoare triple {88#true} assume false; {89#false} is VALID [2022-02-20 18:07:17,742 INFO L272 TraceCheckUtils]: 9: Hoare triple {89#false} call cleanup(); {89#false} is VALID [2022-02-20 18:07:17,742 INFO L290 TraceCheckUtils]: 10: Hoare triple {89#false} havoc ~i~0;havoc ~__cil_tmp2~0; {89#false} is VALID [2022-02-20 18:07:17,742 INFO L272 TraceCheckUtils]: 11: Hoare triple {89#false} call timeShift(); {89#false} is VALID [2022-02-20 18:07:17,743 INFO L290 TraceCheckUtils]: 12: Hoare triple {89#false} assume !(0 != ~pumpRunning~0); {89#false} is VALID [2022-02-20 18:07:17,743 INFO L290 TraceCheckUtils]: 13: Hoare triple {89#false} assume !(0 != ~systemActive~0); {89#false} is VALID [2022-02-20 18:07:17,743 INFO L290 TraceCheckUtils]: 14: Hoare triple {89#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1; {89#false} is VALID [2022-02-20 18:07:17,744 INFO L272 TraceCheckUtils]: 15: Hoare triple {89#false} call __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical(); {88#true} is VALID [2022-02-20 18:07:17,744 INFO L290 TraceCheckUtils]: 16: Hoare triple {88#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {88#true} is VALID [2022-02-20 18:07:17,744 INFO L290 TraceCheckUtils]: 17: Hoare triple {88#true} assume true; {88#true} is VALID [2022-02-20 18:07:17,745 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {88#true} {89#false} #218#return; {89#false} is VALID [2022-02-20 18:07:17,745 INFO L290 TraceCheckUtils]: 19: Hoare triple {89#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48#1 && __utac_acc__Specification2_spec__2_#t~ret48#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; {89#false} is VALID [2022-02-20 18:07:17,745 INFO L290 TraceCheckUtils]: 20: Hoare triple {89#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {89#false} is VALID [2022-02-20 18:07:17,746 INFO L290 TraceCheckUtils]: 21: Hoare triple {89#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {89#false} is VALID [2022-02-20 18:07:17,746 INFO L290 TraceCheckUtils]: 22: Hoare triple {89#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1#1; {89#false} is VALID [2022-02-20 18:07:17,746 INFO L290 TraceCheckUtils]: 23: Hoare triple {89#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {89#false} is VALID [2022-02-20 18:07:17,747 INFO L290 TraceCheckUtils]: 24: Hoare triple {89#false} assume !false; {89#false} is VALID [2022-02-20 18:07:17,747 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 18:07:17,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:17,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907438177] [2022-02-20 18:07:17,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907438177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:17,748 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:17,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:07:17,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573412052] [2022-02-20 18:07:17,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:17,756 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 18:07:17,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:17,760 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 18:07:17,818 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 18:07:17,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:07:17,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:17,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:07:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:17,840 INFO L87 Difference]: Start difference. First operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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 18:07:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:17,951 INFO L93 Difference]: Finished difference Result 161 states and 216 transitions. [2022-02-20 18:07:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:07:17,951 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 18:07:17,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:17,954 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 18:07:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2022-02-20 18:07:17,962 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 18:07:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2022-02-20 18:07:17,967 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 216 transitions. [2022-02-20 18:07:18,142 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:18,152 INFO L225 Difference]: With dead ends: 161 [2022-02-20 18:07:18,163 INFO L226 Difference]: Without dead ends: 76 [2022-02-20 18:07:18,166 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 18:07:18,169 INFO L933 BasicCegarLoop]: 105 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, 105 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 18:07:18,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:18,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-20 18:07:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-02-20 18:07:18,223 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:18,224 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-20 18:07:18,225 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-20 18:07:18,226 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-20 18:07:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,260 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2022-02-20 18:07:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-02-20 18:07:18,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:18,271 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:18,272 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand 76 states. [2022-02-20 18:07:18,273 INFO L87 Difference]: Start difference. First operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand 76 states. [2022-02-20 18:07:18,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,283 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2022-02-20 18:07:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-02-20 18:07:18,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:18,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:18,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:18,285 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-20 18:07:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-02-20 18:07:18,293 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 25 [2022-02-20 18:07:18,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:18,293 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-02-20 18:07:18,294 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 18:07:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-02-20 18:07:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 18:07:18,303 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:18,303 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 18:07:18,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:07:18,303 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:18,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1971183804, now seen corresponding path program 1 times [2022-02-20 18:07:18,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:18,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753502580] [2022-02-20 18:07:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:18,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 18:07:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:18,361 INFO L290 TraceCheckUtils]: 0: Hoare triple {587#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {587#true} is VALID [2022-02-20 18:07:18,361 INFO L290 TraceCheckUtils]: 1: Hoare triple {587#true} assume true; {587#true} is VALID [2022-02-20 18:07:18,361 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {587#true} {588#false} #218#return; {588#false} is VALID [2022-02-20 18:07:18,362 INFO L290 TraceCheckUtils]: 0: Hoare triple {587#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {587#true} is VALID [2022-02-20 18:07:18,362 INFO L290 TraceCheckUtils]: 1: Hoare triple {587#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {587#true} is VALID [2022-02-20 18:07:18,362 INFO L290 TraceCheckUtils]: 2: Hoare triple {587#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {587#true} is VALID [2022-02-20 18:07:18,362 INFO L290 TraceCheckUtils]: 3: Hoare triple {587#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {587#true} is VALID [2022-02-20 18:07:18,362 INFO L290 TraceCheckUtils]: 4: Hoare triple {587#true} main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret50#1 && main_#t~ret50#1 <= 2147483647;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; {587#true} is VALID [2022-02-20 18:07:18,363 INFO L290 TraceCheckUtils]: 5: Hoare triple {587#true} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {587#true} is VALID [2022-02-20 18:07:18,363 INFO L290 TraceCheckUtils]: 6: Hoare triple {587#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {587#true} is VALID [2022-02-20 18:07:18,364 INFO L290 TraceCheckUtils]: 7: Hoare triple {587#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {589#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:18,364 INFO L290 TraceCheckUtils]: 8: Hoare triple {589#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {589#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:18,365 INFO L290 TraceCheckUtils]: 9: Hoare triple {589#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {588#false} is VALID [2022-02-20 18:07:18,365 INFO L272 TraceCheckUtils]: 10: Hoare triple {588#false} call cleanup(); {588#false} is VALID [2022-02-20 18:07:18,365 INFO L290 TraceCheckUtils]: 11: Hoare triple {588#false} havoc ~i~0;havoc ~__cil_tmp2~0; {588#false} is VALID [2022-02-20 18:07:18,365 INFO L272 TraceCheckUtils]: 12: Hoare triple {588#false} call timeShift(); {588#false} is VALID [2022-02-20 18:07:18,365 INFO L290 TraceCheckUtils]: 13: Hoare triple {588#false} assume !(0 != ~pumpRunning~0); {588#false} is VALID [2022-02-20 18:07:18,366 INFO L290 TraceCheckUtils]: 14: Hoare triple {588#false} assume !(0 != ~systemActive~0); {588#false} is VALID [2022-02-20 18:07:18,366 INFO L290 TraceCheckUtils]: 15: Hoare triple {588#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1; {588#false} is VALID [2022-02-20 18:07:18,366 INFO L272 TraceCheckUtils]: 16: Hoare triple {588#false} call __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical(); {587#true} is VALID [2022-02-20 18:07:18,367 INFO L290 TraceCheckUtils]: 17: Hoare triple {587#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {587#true} is VALID [2022-02-20 18:07:18,369 INFO L290 TraceCheckUtils]: 18: Hoare triple {587#true} assume true; {587#true} is VALID [2022-02-20 18:07:18,369 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {587#true} {588#false} #218#return; {588#false} is VALID [2022-02-20 18:07:18,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {588#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48#1 && __utac_acc__Specification2_spec__2_#t~ret48#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; {588#false} is VALID [2022-02-20 18:07:18,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {588#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {588#false} is VALID [2022-02-20 18:07:18,371 INFO L290 TraceCheckUtils]: 22: Hoare triple {588#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {588#false} is VALID [2022-02-20 18:07:18,371 INFO L290 TraceCheckUtils]: 23: Hoare triple {588#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1#1; {588#false} is VALID [2022-02-20 18:07:18,372 INFO L290 TraceCheckUtils]: 24: Hoare triple {588#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {588#false} is VALID [2022-02-20 18:07:18,372 INFO L290 TraceCheckUtils]: 25: Hoare triple {588#false} assume !false; {588#false} is VALID [2022-02-20 18:07:18,372 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 18:07:18,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:18,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753502580] [2022-02-20 18:07:18,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753502580] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:18,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:18,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:07:18,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014603358] [2022-02-20 18:07:18,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:18,374 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 18:07:18,375 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:18,375 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 18:07:18,398 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 18:07:18,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:07:18,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:07:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:18,402 INFO L87 Difference]: Start difference. First operand 76 states and 96 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 18:07:18,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,475 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2022-02-20 18:07:18,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:07:18,475 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 18:07:18,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:18,476 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 18:07:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2022-02-20 18:07:18,478 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 18:07:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2022-02-20 18:07:18,480 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 141 transitions. [2022-02-20 18:07:18,591 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:18,598 INFO L225 Difference]: With dead ends: 113 [2022-02-20 18:07:18,599 INFO L226 Difference]: Without dead ends: 67 [2022-02-20 18:07:18,602 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 18:07:18,603 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 145 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 18:07:18,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-20 18:07:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-02-20 18:07:18,612 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:18,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:07:18,616 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:07:18,617 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:07:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,621 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-02-20 18:07:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-02-20 18:07:18,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:18,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:18,625 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand 67 states. [2022-02-20 18:07:18,626 INFO L87 Difference]: Start difference. First operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand 67 states. [2022-02-20 18:07:18,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,632 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-02-20 18:07:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-02-20 18:07:18,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:18,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:18,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:18,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:07:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-02-20 18:07:18,638 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 26 [2022-02-20 18:07:18,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:18,639 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-02-20 18:07:18,640 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 18:07:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-02-20 18:07:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:07:18,643 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:18,643 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] [2022-02-20 18:07:18,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:07:18,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:18,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash -409860073, now seen corresponding path program 1 times [2022-02-20 18:07:18,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:18,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295716403] [2022-02-20 18:07:18,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:18,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:07:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:18,716 INFO L290 TraceCheckUtils]: 0: Hoare triple {985#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {985#true} is VALID [2022-02-20 18:07:18,717 INFO L290 TraceCheckUtils]: 1: Hoare triple {985#true} assume true; {985#true} is VALID [2022-02-20 18:07:18,717 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {985#true} {986#false} #218#return; {986#false} is VALID [2022-02-20 18:07:18,719 INFO L290 TraceCheckUtils]: 0: Hoare triple {985#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,720 INFO L290 TraceCheckUtils]: 1: Hoare triple {987#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,720 INFO L290 TraceCheckUtils]: 2: Hoare triple {987#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,721 INFO L290 TraceCheckUtils]: 3: Hoare triple {987#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,721 INFO L290 TraceCheckUtils]: 4: Hoare triple {987#(= 1 ~systemActive~0)} main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret50#1 && main_#t~ret50#1 <= 2147483647;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,722 INFO L290 TraceCheckUtils]: 5: Hoare triple {987#(= 1 ~systemActive~0)} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,722 INFO L290 TraceCheckUtils]: 6: Hoare triple {987#(= 1 ~systemActive~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,723 INFO L290 TraceCheckUtils]: 7: Hoare triple {987#(= 1 ~systemActive~0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,723 INFO L290 TraceCheckUtils]: 8: Hoare triple {987#(= 1 ~systemActive~0)} assume !false; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,724 INFO L290 TraceCheckUtils]: 9: Hoare triple {987#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0#1 < 4; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,724 INFO L290 TraceCheckUtils]: 10: Hoare triple {987#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,724 INFO L290 TraceCheckUtils]: 11: Hoare triple {987#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~2#1); {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,725 INFO L290 TraceCheckUtils]: 12: Hoare triple {987#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,725 INFO L290 TraceCheckUtils]: 13: Hoare triple {987#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0#1); {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,726 INFO L290 TraceCheckUtils]: 14: Hoare triple {987#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet17#1 && test_#t~nondet17#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,726 INFO L290 TraceCheckUtils]: 15: Hoare triple {987#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0#1; {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,727 INFO L272 TraceCheckUtils]: 16: Hoare triple {987#(= 1 ~systemActive~0)} call timeShift(); {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {987#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {987#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:18,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {987#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {986#false} is VALID [2022-02-20 18:07:18,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {986#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1; {986#false} is VALID [2022-02-20 18:07:18,728 INFO L272 TraceCheckUtils]: 20: Hoare triple {986#false} call __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical(); {985#true} is VALID [2022-02-20 18:07:18,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {985#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {985#true} is VALID [2022-02-20 18:07:18,729 INFO L290 TraceCheckUtils]: 22: Hoare triple {985#true} assume true; {985#true} is VALID [2022-02-20 18:07:18,729 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {985#true} {986#false} #218#return; {986#false} is VALID [2022-02-20 18:07:18,729 INFO L290 TraceCheckUtils]: 24: Hoare triple {986#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48#1 && __utac_acc__Specification2_spec__2_#t~ret48#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; {986#false} is VALID [2022-02-20 18:07:18,729 INFO L290 TraceCheckUtils]: 25: Hoare triple {986#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {986#false} is VALID [2022-02-20 18:07:18,730 INFO L290 TraceCheckUtils]: 26: Hoare triple {986#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {986#false} is VALID [2022-02-20 18:07:18,730 INFO L290 TraceCheckUtils]: 27: Hoare triple {986#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1#1; {986#false} is VALID [2022-02-20 18:07:18,730 INFO L290 TraceCheckUtils]: 28: Hoare triple {986#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {986#false} is VALID [2022-02-20 18:07:18,730 INFO L290 TraceCheckUtils]: 29: Hoare triple {986#false} assume !false; {986#false} is VALID [2022-02-20 18:07:18,730 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 18:07:18,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:18,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295716403] [2022-02-20 18:07:18,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295716403] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:18,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:18,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:07:18,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257581531] [2022-02-20 18:07:18,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:18,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-02-20 18:07:18,733 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:18,733 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 18:07:18,753 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:18,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:07:18,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:18,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:07:18,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:18,755 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 18:07:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:18,889 INFO L93 Difference]: Finished difference Result 184 states and 236 transitions. [2022-02-20 18:07:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:07:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-02-20 18:07:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 18:07:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2022-02-20 18:07:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 18:07:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2022-02-20 18:07:18,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 236 transitions. [2022-02-20 18:07:19,027 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:19,030 INFO L225 Difference]: With dead ends: 184 [2022-02-20 18:07:19,030 INFO L226 Difference]: Without dead ends: 125 [2022-02-20 18:07:19,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 18:07:19,031 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:19,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-02-20 18:07:19,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-02-20 18:07:19,040 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:19,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-02-20 18:07:19,040 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-02-20 18:07:19,041 INFO L87 Difference]: Start difference. First operand 125 states. Second operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-02-20 18:07:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:19,044 INFO L93 Difference]: Finished difference Result 125 states and 158 transitions. [2022-02-20 18:07:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2022-02-20 18:07:19,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:19,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:19,045 INFO L74 IsIncluded]: Start isIncluded. First operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) Second operand 125 states. [2022-02-20 18:07:19,046 INFO L87 Difference]: Start difference. First operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) Second operand 125 states. [2022-02-20 18:07:19,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:19,049 INFO L93 Difference]: Finished difference Result 125 states and 158 transitions. [2022-02-20 18:07:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2022-02-20 18:07:19,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:19,050 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:19,050 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:19,050 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-02-20 18:07:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 156 transitions. [2022-02-20 18:07:19,054 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 156 transitions. Word has length 30 [2022-02-20 18:07:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:19,054 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 156 transitions. [2022-02-20 18:07:19,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 18:07:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 156 transitions. [2022-02-20 18:07:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 18:07:19,055 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:19,055 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] [2022-02-20 18:07:19,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:07:19,055 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:19,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1560227681, now seen corresponding path program 1 times [2022-02-20 18:07:19,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:19,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928758992] [2022-02-20 18:07:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 18:07:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:19,112 INFO L290 TraceCheckUtils]: 0: Hoare triple {1672#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1672#true} is VALID [2022-02-20 18:07:19,112 INFO L290 TraceCheckUtils]: 1: Hoare triple {1672#true} assume true; {1672#true} is VALID [2022-02-20 18:07:19,113 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1672#true} {1674#(= ~pumpRunning~0 0)} #218#return; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,113 INFO L290 TraceCheckUtils]: 0: Hoare triple {1672#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,113 INFO L290 TraceCheckUtils]: 1: Hoare triple {1674#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,114 INFO L290 TraceCheckUtils]: 2: Hoare triple {1674#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,114 INFO L290 TraceCheckUtils]: 3: Hoare triple {1674#(= ~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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,114 INFO L290 TraceCheckUtils]: 4: Hoare triple {1674#(= ~pumpRunning~0 0)} main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret50#1 && main_#t~ret50#1 <= 2147483647;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,115 INFO L290 TraceCheckUtils]: 5: Hoare triple {1674#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,115 INFO L290 TraceCheckUtils]: 6: Hoare triple {1674#(= ~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; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {1674#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,116 INFO L290 TraceCheckUtils]: 8: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !false; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {1674#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,117 INFO L290 TraceCheckUtils]: 10: Hoare triple {1674#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,117 INFO L290 TraceCheckUtils]: 11: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~2#1); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {1674#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {1674#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet17#1 && test_#t~nondet17#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet18#1 && test_#t~nondet18#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {1674#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1;assume { :begin_inline_stopSystem } true; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,119 INFO L290 TraceCheckUtils]: 17: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,119 INFO L290 TraceCheckUtils]: 18: Hoare triple {1674#(= ~pumpRunning~0 0)} ~systemActive~0 := 0; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,120 INFO L290 TraceCheckUtils]: 19: Hoare triple {1674#(= ~pumpRunning~0 0)} assume { :end_inline_stopSystem } true; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,120 INFO L272 TraceCheckUtils]: 20: Hoare triple {1674#(= ~pumpRunning~0 0)} call timeShift(); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,120 INFO L290 TraceCheckUtils]: 21: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,121 INFO L290 TraceCheckUtils]: 22: Hoare triple {1674#(= ~pumpRunning~0 0)} assume !(0 != ~systemActive~0); {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {1674#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,121 INFO L272 TraceCheckUtils]: 24: Hoare triple {1674#(= ~pumpRunning~0 0)} call __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical(); {1672#true} is VALID [2022-02-20 18:07:19,122 INFO L290 TraceCheckUtils]: 25: Hoare triple {1672#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1672#true} is VALID [2022-02-20 18:07:19,122 INFO L290 TraceCheckUtils]: 26: Hoare triple {1672#true} assume true; {1672#true} is VALID [2022-02-20 18:07:19,122 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {1672#true} {1674#(= ~pumpRunning~0 0)} #218#return; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,123 INFO L290 TraceCheckUtils]: 28: Hoare triple {1674#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48#1 && __utac_acc__Specification2_spec__2_#t~ret48#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; {1674#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:19,123 INFO L290 TraceCheckUtils]: 29: Hoare triple {1674#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {1678#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:07:19,123 INFO L290 TraceCheckUtils]: 30: Hoare triple {1678#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification2_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {1679#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:07:19,124 INFO L290 TraceCheckUtils]: 31: Hoare triple {1679#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1#1; {1673#false} is VALID [2022-02-20 18:07:19,124 INFO L290 TraceCheckUtils]: 32: Hoare triple {1673#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {1673#false} is VALID [2022-02-20 18:07:19,124 INFO L290 TraceCheckUtils]: 33: Hoare triple {1673#false} assume !false; {1673#false} is VALID [2022-02-20 18:07:19,124 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 18:07:19,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:19,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928758992] [2022-02-20 18:07:19,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928758992] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:19,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:19,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:07:19,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792010346] [2022-02-20 18:07:19,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:19,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2022-02-20 18:07:19,126 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:19,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 18:07:19,146 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:19,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:07:19,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:19,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:07:19,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:07:19,147 INFO L87 Difference]: Start difference. First operand 122 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 18:07:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:19,241 INFO L93 Difference]: Finished difference Result 206 states and 265 transitions. [2022-02-20 18:07:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:19,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2022-02-20 18:07:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 18:07:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2022-02-20 18:07:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 18:07:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2022-02-20 18:07:19,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 140 transitions. [2022-02-20 18:07:19,326 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:19,326 INFO L225 Difference]: With dead ends: 206 [2022-02-20 18:07:19,326 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:07:19,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 18:07:19,328 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 37 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:19,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:19,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:07:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:07:19,329 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:19,329 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 18:07:19,329 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 18:07:19,329 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 18:07:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:19,330 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:19,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:19,330 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:19,330 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 18:07:19,330 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 18:07:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:19,331 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:19,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:19,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:19,331 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:19,331 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:19,331 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 18:07:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:07:19,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-02-20 18:07:19,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:19,332 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:07:19,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 18:07:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:19,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:19,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:07:19,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:07:19,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:07:19,530 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: true [2022-02-20 18:07:19,530 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2022-02-20 18:07:19,530 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2022-02-20 18:07:19,531 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2022-02-20 18:07:19,531 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2022-02-20 18:07:19,531 INFO L858 garLoopResultBuilder]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2022-02-20 18:07:19,531 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2022-02-20 18:07:19,531 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2022-02-20 18:07:19,531 INFO L861 garLoopResultBuilder]: At program point L854(lines 829 858) the Hoare annotation is: true [2022-02-20 18:07:19,531 INFO L858 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2022-02-20 18:07:19,532 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2022-02-20 18:07:19,532 INFO L861 garLoopResultBuilder]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2022-02-20 18:07:19,532 INFO L858 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-02-20 18:07:19,532 INFO L861 garLoopResultBuilder]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2022-02-20 18:07:19,532 INFO L861 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-02-20 18:07:19,532 INFO L858 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-02-20 18:07:19,532 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 334 342) the Hoare annotation is: true [2022-02-20 18:07:19,532 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2022-02-20 18:07:19,533 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2022-02-20 18:07:19,533 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:07:19,533 INFO L854 garLoopResultBuilder]: At program point L114-1(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:07:19,533 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-02-20 18:07:19,533 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:07:19,533 INFO L858 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-02-20 18:07:19,533 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L854 garLoopResultBuilder]: At program point L302-2(lines 298 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L810(lines 810 820) no Hoare annotation was computed. [2022-02-20 18:07:19,534 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 823) no Hoare annotation was computed. [2022-02-20 18:07:19,535 INFO L854 garLoopResultBuilder]: At program point L806-1(lines 798 826) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:07:19,535 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-02-20 18:07:19,535 INFO L854 garLoopResultBuilder]: At program point L381(lines 376 383) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:07:19,535 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:07:19,535 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:07:19,535 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 817) no Hoare annotation was computed. [2022-02-20 18:07:19,535 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-02-20 18:07:19,536 INFO L854 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:07:19,536 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2022-02-20 18:07:19,536 INFO L854 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:07:19,536 INFO L858 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2022-02-20 18:07:19,536 INFO L858 garLoopResultBuilder]: For program point L258-1(lines 258 264) no Hoare annotation was computed. [2022-02-20 18:07:19,536 INFO L854 garLoopResultBuilder]: At program point L221(lines 209 223) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:19,536 INFO L854 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:19,536 INFO L854 garLoopResultBuilder]: At program point L283(lines 238 285) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:19,537 INFO L854 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 918) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point L911-2(lines 911 918) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:07:19,537 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:07:19,538 INFO L861 garLoopResultBuilder]: At program point L920(lines 901 923) the Hoare annotation is: true [2022-02-20 18:07:19,538 INFO L854 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:19,538 INFO L854 garLoopResultBuilder]: At program point L784(lines 779 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:19,538 INFO L858 garLoopResultBuilder]: For program point L239(lines 238 285) no Hoare annotation was computed. [2022-02-20 18:07:19,538 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 281) no Hoare annotation was computed. [2022-02-20 18:07:19,538 INFO L854 garLoopResultBuilder]: At program point L776(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:19,538 INFO L854 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:19,538 INFO L861 garLoopResultBuilder]: At program point L289(lines 228 293) the Hoare annotation is: true [2022-02-20 18:07:19,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:07:19,539 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2022-02-20 18:07:19,539 INFO L858 garLoopResultBuilder]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2022-02-20 18:07:19,539 INFO L854 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: false [2022-02-20 18:07:19,539 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 244) no Hoare annotation was computed. [2022-02-20 18:07:19,539 INFO L854 garLoopResultBuilder]: At program point L769(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:19,539 INFO L854 garLoopResultBuilder]: At program point L286(lines 237 287) the Hoare annotation is: false [2022-02-20 18:07:19,539 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-02-20 18:07:19,540 INFO L854 garLoopResultBuilder]: At program point L274-2(lines 268 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:19,540 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2022-02-20 18:07:19,540 INFO L861 garLoopResultBuilder]: At program point L898(lines 890 900) the Hoare annotation is: true [2022-02-20 18:07:19,540 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2022-02-20 18:07:19,540 INFO L858 garLoopResultBuilder]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2022-02-20 18:07:19,540 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: true [2022-02-20 18:07:19,540 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 93) no Hoare annotation was computed. [2022-02-20 18:07:19,540 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 87 93) the Hoare annotation is: true [2022-02-20 18:07:19,541 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 153 163) the Hoare annotation is: true [2022-02-20 18:07:19,541 INFO L861 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: true [2022-02-20 18:07:19,541 INFO L858 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2022-02-20 18:07:19,541 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2022-02-20 18:07:19,541 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2022-02-20 18:07:19,543 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:07:19,544 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:07:19,546 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L314-1 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: L314-1 has no Hoare annotation [2022-02-20 18:07:19,547 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:07:19,548 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2022-02-20 18:07:19,548 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2022-02-20 18:07:19,548 WARN L170 areAnnotationChecker]: L835-1 has no Hoare annotation [2022-02-20 18:07:19,548 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:19,548 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L314-1 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: L158-1 has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2022-02-20 18:07:19,549 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: L835-1 has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2022-02-20 18:07:19,550 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L158-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L213-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L258-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L804-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2022-02-20 18:07:19,551 WARN L170 areAnnotationChecker]: L804-1 has no Hoare annotation [2022-02-20 18:07:19,553 WARN L170 areAnnotationChecker]: L248-1 has no Hoare annotation [2022-02-20 18:07:19,553 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2022-02-20 18:07:19,553 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2022-02-20 18:07:19,553 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2022-02-20 18:07:19,553 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2022-02-20 18:07:19,554 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L274 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L274 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2022-02-20 18:07:19,555 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L911 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L258-1 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2022-02-20 18:07:19,556 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2022-02-20 18:07:19,557 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:19,557 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2022-02-20 18:07:19,557 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L911-2 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L213-1 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L911-2 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2022-02-20 18:07:19,558 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2022-02-20 18:07:19,559 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:19,560 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 18:07:19,560 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 18:07:19,560 WARN L170 areAnnotationChecker]: L248-1 has no Hoare annotation [2022-02-20 18:07:19,560 INFO L163 areAnnotationChecker]: CFG has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:07:19,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:07:19 BoogieIcfgContainer [2022-02-20 18:07:19,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:07:19,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:07:19,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:07:19,569 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:07:19,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:17" (3/4) ... [2022-02-20 18:07:19,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:07:19,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-02-20 18:07:19,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:07:19,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-02-20 18:07:19,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-02-20 18:07:19,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:07:19,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:07:19,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:07:19,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:07:19,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:19,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:19,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:07:19,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-02-20 18:07:19,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-02-20 18:07:19,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-02-20 18:07:19,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:07:19,624 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:07:19,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:07:19,626 INFO L158 Benchmark]: Toolchain (without parser) took 3195.85ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 49.9MB in the end (delta: 1.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,626 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:07:19,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.01ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 54.8MB in the end (delta: -3.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.81ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,626 INFO L158 Benchmark]: Boogie Preprocessor took 41.07ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,627 INFO L158 Benchmark]: RCFGBuilder took 461.49ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 86.8MB in the end (delta: -36.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,627 INFO L158 Benchmark]: TraceAbstraction took 2184.91ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 55.2MB in the end (delta: 31.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,627 INFO L158 Benchmark]: Witness Printer took 55.61ms. Allocated memory is still 111.1MB. Free memory was 55.2MB in the beginning and 49.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 18:07:19,628 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 0.17ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.01ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 54.8MB in the end (delta: -3.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.81ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.07ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.49ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 86.8MB in the end (delta: -36.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2184.91ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 55.2MB in the end (delta: 31.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Witness Printer took 55.61ms. Allocated memory is still 111.1MB. Free memory was 55.2MB in the beginning and 49.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 380]: 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 9 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 347 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 190 PreInvPairs, 215 NumberOfFragments, 159 HoareAnnotationTreeSize, 190 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:07:19,661 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