./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product31.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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:58:35,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:58:35,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:58:35,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:58:35,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:58:35,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:58:35,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:58:35,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:58:35,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:58:35,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:58:35,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:58:35,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:58:35,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:58:35,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:58:35,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:58:35,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:58:35,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:58:35,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:58:35,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:58:35,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:58:35,686 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:58:35,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:58:35,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:58:35,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:58:35,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:58:35,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:58:35,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:58:35,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:58:35,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:58:35,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:58:35,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:58:35,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:58:35,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:58:35,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:58:35,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:58:35,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:58:35,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:58:35,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:58:35,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:58:35,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:58:35,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:58:35,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:58:35,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:58:35,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:58:35,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:58:35,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:58:35,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:58:35,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:58:35,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:58:35,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:58:35,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:58:35,729 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:58:35,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:58:35,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:58:35,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:58:35,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:58:35,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:58:35,731 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:58:35,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:58:35,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:58:35,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:58:35,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:58:35,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:35,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:58:35,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:58:35,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:58:35,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:58:35,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:58:35,733 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:58:35,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:58:35,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:58:35,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2022-07-13 17:58:35,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:58:35,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:58:35,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:58:35,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:58:35,992 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:58:35,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-13 17:58:36,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406e1a4d6/2b3a4d3ed4b946fd9ff38d5c8aef8b13/FLAG776bc9cc4 [2022-07-13 17:58:36,553 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:58:36,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-13 17:58:36,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406e1a4d6/2b3a4d3ed4b946fd9ff38d5c8aef8b13/FLAG776bc9cc4 [2022-07-13 17:58:37,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406e1a4d6/2b3a4d3ed4b946fd9ff38d5c8aef8b13 [2022-07-13 17:58:37,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:58:37,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:58:37,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:37,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:58:37,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:58:37,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea5f80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37, skipping insertion in model container [2022-07-13 17:58:37,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:58:37,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:58:37,305 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_product31.cil.c[2627,2640] [2022-07-13 17:58:37,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:37,444 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:58:37,470 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_product31.cil.c[2627,2640] [2022-07-13 17:58:37,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:37,560 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:58:37,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37 WrapperNode [2022-07-13 17:58:37,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:37,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:37,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:58:37,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:58:37,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,633 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 235 [2022-07-13 17:58:37,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:37,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:58:37,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:58:37,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:58:37,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:58:37,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:58:37,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:58:37,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:58:37,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (1/1) ... [2022-07-13 17:58:37,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:37,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 17:58:37,701 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 [2022-07-13 17:58:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:58:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:58:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:58:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:58:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:58:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-13 17:58:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-13 17:58:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:58:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:58:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:58:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:58:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:58:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:58:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:58:37,794 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:58:37,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:58:38,102 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:58:38,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:58:38,109 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:58:38,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:38 BoogieIcfgContainer [2022-07-13 17:58:38,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:58:38,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:58:38,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:58:38,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:58:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:58:37" (1/3) ... [2022-07-13 17:58:38,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a7428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:38, skipping insertion in model container [2022-07-13 17:58:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:37" (2/3) ... [2022-07-13 17:58:38,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a7428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:38, skipping insertion in model container [2022-07-13 17:58:38,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:38" (3/3) ... [2022-07-13 17:58:38,118 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2022-07-13 17:58:38,131 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:58:38,131 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:58:38,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:58:38,176 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5850622c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1ea3df0b [2022-07-13 17:58:38,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:58:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-13 17:58:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:58:38,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:38,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:38,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:38,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:38,195 INFO L85 PathProgramCache]: Analyzing trace with hash -255252744, now seen corresponding path program 1 times [2022-07-13 17:58:38,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:38,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281311496] [2022-07-13 17:58:38,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:58:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:38,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:38,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281311496] [2022-07-13 17:58:38,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281311496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:38,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:38,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:58:38,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497286397] [2022-07-13 17:58:38,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:38,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:58:38,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:38,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:58:38,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:58:38,464 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-07-13 17:58:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:38,495 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2022-07-13 17:58:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:58:38,499 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 [2022-07-13 17:58:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:38,508 INFO L225 Difference]: With dead ends: 185 [2022-07-13 17:58:38,508 INFO L226 Difference]: Without dead ends: 88 [2022-07-13 17:58:38,511 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:58:38,514 INFO L413 NwaCegarLoop]: 122 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, 122 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 [2022-07-13 17:58:38,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-13 17:58:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-13 17:58:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-13 17:58:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-13 17:58:38,618 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 25 [2022-07-13 17:58:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:38,619 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-13 17:58:38,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-13 17:58:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-07-13 17:58:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:58:38,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:38,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:38,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:58:38,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:38,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1869248240, now seen corresponding path program 1 times [2022-07-13 17:58:38,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:38,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085725501] [2022-07-13 17:58:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:58:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:38,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:38,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085725501] [2022-07-13 17:58:38,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085725501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:38,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:38,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:38,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316013859] [2022-07-13 17:58:38,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:38,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:38,710 INFO L87 Difference]: Start difference. First operand 88 states and 113 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) [2022-07-13 17:58:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:38,742 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2022-07-13 17:58:38,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:38,744 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 [2022-07-13 17:58:38,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:38,747 INFO L225 Difference]: With dead ends: 137 [2022-07-13 17:58:38,748 INFO L226 Difference]: Without dead ends: 79 [2022-07-13 17:58:38,754 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:58:38,756 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 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 [2022-07-13 17:58:38,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-13 17:58:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-13 17:58:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-13 17:58:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-07-13 17:58:38,771 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 26 [2022-07-13 17:58:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:38,772 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-07-13 17:58:38,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-13 17:58:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-07-13 17:58:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 17:58:38,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:38,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:38,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:58:38,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:38,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1012211940, now seen corresponding path program 1 times [2022-07-13 17:58:38,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:38,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018473790] [2022-07-13 17:58:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:38,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:38,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018473790] [2022-07-13 17:58:38,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018473790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:38,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:38,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086875306] [2022-07-13 17:58:38,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:38,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:38,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:38,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:38,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:38,903 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2022-07-13 17:58:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:39,132 INFO L93 Difference]: Finished difference Result 263 states and 344 transitions. [2022-07-13 17:58:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:58:39,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 [2022-07-13 17:58:39,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:39,137 INFO L225 Difference]: With dead ends: 263 [2022-07-13 17:58:39,137 INFO L226 Difference]: Without dead ends: 192 [2022-07-13 17:58:39,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:58:39,144 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:39,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 491 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-07-13 17:58:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 186. [2022-07-13 17:58:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 151 states have internal predecessors, (180), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-13 17:58:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-07-13 17:58:39,174 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 30 [2022-07-13 17:58:39,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:39,174 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-07-13 17:58:39,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2022-07-13 17:58:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-07-13 17:58:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-13 17:58:39,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:39,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:39,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:58:39,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1859613018, now seen corresponding path program 1 times [2022-07-13 17:58:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:39,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780401267] [2022-07-13 17:58:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:39,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:39,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:39,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780401267] [2022-07-13 17:58:39,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780401267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:39,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:39,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:39,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989448977] [2022-07-13 17:58:39,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:39,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:39,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:39,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:39,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:39,275 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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) [2022-07-13 17:58:39,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:39,397 INFO L93 Difference]: Finished difference Result 540 states and 717 transitions. [2022-07-13 17:58:39,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:39,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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 [2022-07-13 17:58:39,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:39,401 INFO L225 Difference]: With dead ends: 540 [2022-07-13 17:58:39,402 INFO L226 Difference]: Without dead ends: 362 [2022-07-13 17:58:39,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:58:39,403 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 69 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:39,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 497 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-07-13 17:58:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 353. [2022-07-13 17:58:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 283 states have internal predecessors, (330), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-13 17:58:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 459 transitions. [2022-07-13 17:58:39,441 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 459 transitions. Word has length 34 [2022-07-13 17:58:39,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:39,441 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-07-13 17:58:39,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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) [2022-07-13 17:58:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-07-13 17:58:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 17:58:39,444 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:39,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:39,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:58:39,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1437913570, now seen corresponding path program 1 times [2022-07-13 17:58:39,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:39,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508920748] [2022-07-13 17:58:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:39,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:58:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:39,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:39,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508920748] [2022-07-13 17:58:39,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508920748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:39,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:39,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273939310] [2022-07-13 17:58:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:39,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:39,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:39,578 INFO L87 Difference]: Start difference. First operand 353 states and 459 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:58:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:39,709 INFO L93 Difference]: Finished difference Result 598 states and 783 transitions. [2022-07-13 17:58:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:58:39,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-13 17:58:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:39,710 INFO L225 Difference]: With dead ends: 598 [2022-07-13 17:58:39,711 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:58:39,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:58:39,713 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 54 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:39,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:39,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:58:39,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:58:39,714 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) [2022-07-13 17:58:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:58:39,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-13 17:58:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:39,715 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:58:39,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:58:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:58:39,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:58:39,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:58:39,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:58:39,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:58:40,382 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 251 258) the Hoare annotation is: true [2022-07-13 17:58:40,382 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 251 258) no Hoare annotation was computed. [2022-07-13 17:58:40,382 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 251 258) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 167 173) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 167 173) the Hoare annotation is: true [2022-07-13 17:58:40,384 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 917 928) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point L921-1(lines 917 928) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 917 928) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 929 937) the Hoare annotation is: true [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 929 937) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 929 937) no Hoare annotation was computed. [2022-07-13 17:58:40,384 INFO L902 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: true [2022-07-13 17:58:40,384 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2022-07-13 17:58:40,385 INFO L902 garLoopResultBuilder]: At program point L819(lines 794 823) the Hoare annotation is: true [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 812) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L902 garLoopResultBuilder]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L902 garLoopResultBuilder]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2022-07-13 17:58:40,385 INFO L895 garLoopResultBuilder]: At program point L275(lines 270 278) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-13 17:58:40,385 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 146 165) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 222) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 785) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 143 166) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 788) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 763 791) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-13 17:58:40,386 INFO L895 garLoopResultBuilder]: At program point L127(lines 122 129) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:58:40,386 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 782) no Hoare annotation was computed. [2022-07-13 17:58:40,386 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:58:40,386 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:58:40,386 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:58:40,387 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2022-07-13 17:58:40,387 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2022-07-13 17:58:40,387 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-13 17:58:40,387 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2022-07-13 17:58:40,387 INFO L895 garLoopResultBuilder]: At program point L897-2(lines 893 904) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:58:40,387 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:58:40,387 INFO L895 garLoopResultBuilder]: At program point L220-1(lines 201 225) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:58:40,387 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 154 160) no Hoare annotation was computed. [2022-07-13 17:58:40,387 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 143 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-13 17:58:40,387 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 143 166) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:40,388 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L895 garLoopResultBuilder]: At program point L383(lines 378 386) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:58:40,388 INFO L895 garLoopResultBuilder]: At program point L346(lines 334 348) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:40,388 INFO L895 garLoopResultBuilder]: At program point L375(lines 371 377) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-07-13 17:58:40,389 INFO L902 garLoopResultBuilder]: At program point L863(lines 855 865) the Hoare annotation is: true [2022-07-13 17:58:40,389 INFO L895 garLoopResultBuilder]: At program point L760(lines 755 762) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-13 17:58:40,389 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:40,389 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-07-13 17:58:40,389 INFO L895 garLoopResultBuilder]: At program point L368(lines 364 370) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:58:40,389 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 883) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 883) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L902 garLoopResultBuilder]: At program point L885(lines 866 888) the Hoare annotation is: true [2022-07-13 17:58:40,390 INFO L895 garLoopResultBuilder]: At program point L852(lines 848 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-13 17:58:40,390 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: false [2022-07-13 17:58:40,390 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2022-07-13 17:58:40,390 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:40,390 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 905 916) no Hoare annotation was computed. [2022-07-13 17:58:40,391 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2022-07-13 17:58:40,391 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 905 916) the Hoare annotation is: true [2022-07-13 17:58:40,391 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 175 199) no Hoare annotation was computed. [2022-07-13 17:58:40,395 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,395 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,395 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,395 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2022-07-13 17:58:40,396 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2022-07-13 17:58:40,396 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 175 199) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,396 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 175 199) no Hoare annotation was computed. [2022-07-13 17:58:40,396 INFO L895 garLoopResultBuilder]: At program point L330(lines 315 333) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,396 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2022-07-13 17:58:40,396 INFO L899 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2022-07-13 17:58:40,397 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-13 17:58:40,397 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 259 269) the Hoare annotation is: true [2022-07-13 17:58:40,399 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 259 269) no Hoare annotation was computed. [2022-07-13 17:58:40,399 INFO L902 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: true [2022-07-13 17:58:40,399 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2022-07-13 17:58:40,399 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 259 269) no Hoare annotation was computed. [2022-07-13 17:58:40,404 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-13 17:58:40,406 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:58:40,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:58:40 BoogieIcfgContainer [2022-07-13 17:58:40,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:58:40,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:58:40,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:58:40,443 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:58:40,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:38" (3/4) ... [2022-07-13 17:58:40,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:58:40,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:58:40,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:58:40,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:58:40,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:58:40,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:58:40,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:58:40,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:58:40,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:40,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-13 17:58:40,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-13 17:58:40,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:58:40,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:58:40,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:58:40,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:58:40,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:40,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:40,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-13 17:58:40,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-13 17:58:40,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-13 17:58:40,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:58:40,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-13 17:58:40,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:40,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-13 17:58:40,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-13 17:58:40,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:58:40,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-13 17:58:40,535 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:58:40,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:58:40,536 INFO L158 Benchmark]: Toolchain (without parser) took 3500.84ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 41.0MB in the beginning and 69.6MB in the end (delta: -28.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,537 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:58:40,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.26ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 65.5MB in the end (delta: -24.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.69ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,537 INFO L158 Benchmark]: Boogie Preprocessor took 28.54ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,538 INFO L158 Benchmark]: RCFGBuilder took 447.48ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 70.8MB in the end (delta: -9.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,538 INFO L158 Benchmark]: TraceAbstraction took 2327.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 70.0MB in the beginning and 74.9MB in the end (delta: -4.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,539 INFO L158 Benchmark]: Witness Printer took 95.75ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 69.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:58:40,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.26ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 65.5MB in the end (delta: -24.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.69ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.54ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.48ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 70.8MB in the end (delta: -9.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2327.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 70.0MB in the beginning and 74.9MB in the end (delta: -4.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Witness Printer took 95.75ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 69.6MB 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: 126]: 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 10 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 1420 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 910 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 510 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 518 PreInvPairs, 584 NumberOfFragments, 283 HoareAnnotationTreeSize, 518 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:58:40,591 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