./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:55:55,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:55:55,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:55:55,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:55:55,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:55:55,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:55:55,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:55:55,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:55:55,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:55:55,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:55:55,288 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:55:55,289 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:55:55,289 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:55:55,290 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:55:55,290 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:55:55,291 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:55:55,291 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:55:55,292 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:55:55,292 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:55:55,293 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:55:55,293 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:55:55,294 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:55:55,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:55:55,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:55:55,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:55:55,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:55:55,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:55:55,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:55:55,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:55:55,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:55:55,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:55:55,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:55:55,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:55:55,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:55:55,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:55:55,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:55:55,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:55:55,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:55:55,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:55:55,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:55:55,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:55:55,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:55:55,304 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:55:55,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:55:55,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:55:55,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:55:55,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:55:55,305 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2024-11-09 05:55:55,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:55:55,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:55:55,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:55:55,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:55:55,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:55:55,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c Unable to find full path for "g++" [2024-11-09 05:55:58,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:55:58,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:55:58,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2024-11-09 05:55:58,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/data/0c02cc5d2/018362efe4334b14a0bbdc20be0f0ab3/FLAG88f9ef8e5 [2024-11-09 05:55:59,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/data/0c02cc5d2/018362efe4334b14a0bbdc20be0f0ab3 [2024-11-09 05:55:59,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:55:59,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:55:59,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:55:59,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:55:59,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:55:59,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d31ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59, skipping insertion in model container [2024-11-09 05:55:59,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:55:59,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2024-11-09 05:55:59,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:55:59,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:55:59,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-09 05:55:59,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] [2024-11-09 05:55:59,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] [2024-11-09 05:55:59,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] [2024-11-09 05:55:59,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] [2024-11-09 05:55:59,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2024-11-09 05:55:59,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2024-11-09 05:55:59,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] [2024-11-09 05:55:59,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2024-11-09 05:55:59,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:55:59,797 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:55:59,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59 WrapperNode [2024-11-09 05:55:59,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:55:59,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:55:59,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:55:59,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:55:59,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,887 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 168 [2024-11-09 05:55:59,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:55:59,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:55:59,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:55:59,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:55:59,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:55:59,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:55:59,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:55:59,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:55:59,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (1/1) ... [2024-11-09 05:55:59,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:55:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:56:00,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:56:00,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:56:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:56:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 05:56:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 05:56:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 05:56:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 05:56:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 05:56:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 05:56:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 05:56:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 05:56:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 05:56:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 05:56:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:56:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:56:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-09 05:56:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-09 05:56:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 05:56:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 05:56:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:56:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 05:56:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 05:56:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:56:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:56:00,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:56:00,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:56:00,550 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 05:56:00,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:56:00,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:56:00,723 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:56:00,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:00 BoogieIcfgContainer [2024-11-09 05:56:00,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:56:00,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:56:00,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:56:00,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:56:00,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:55:59" (1/3) ... [2024-11-09 05:56:00,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c6232e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:56:00, skipping insertion in model container [2024-11-09 05:56:00,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:59" (2/3) ... [2024-11-09 05:56:00,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c6232e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:56:00, skipping insertion in model container [2024-11-09 05:56:00,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:00" (3/3) ... [2024-11-09 05:56:00,735 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2024-11-09 05:56:00,759 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:56:00,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:56:00,853 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:56:00,862 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2cb05126, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:56:00,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:56:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 05:56:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:56:00,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:00,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:56:00,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:56:00,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash -736694047, now seen corresponding path program 1 times [2024-11-09 05:56:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:00,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391135883] [2024-11-09 05:56:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:00,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:56:01,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:01,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391135883] [2024-11-09 05:56:01,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391135883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:01,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:01,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:56:01,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562047953] [2024-11-09 05:56:01,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:01,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:56:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:01,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:56:01,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:56:01,218 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-09 05:56:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:01,311 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2024-11-09 05:56:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:56:01,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2024-11-09 05:56:01,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:01,325 INFO L225 Difference]: With dead ends: 128 [2024-11-09 05:56:01,326 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 05:56:01,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:56:01,339 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:01,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:56:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 05:56:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-09 05:56:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:56:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-09 05:56:01,392 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 16 [2024-11-09 05:56:01,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:01,394 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-09 05:56:01,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-09 05:56:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-09 05:56:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:56:01,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:01,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:56:01,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:56:01,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:56:01,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:01,398 INFO L85 PathProgramCache]: Analyzing trace with hash -761784492, now seen corresponding path program 1 times [2024-11-09 05:56:01,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:01,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147430614] [2024-11-09 05:56:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:01,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:56:01,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147430614] [2024-11-09 05:56:01,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147430614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:01,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:01,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:56:01,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567386918] [2024-11-09 05:56:01,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:01,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:56:01,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:01,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:56:01,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:01,583 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-09 05:56:01,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:01,652 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2024-11-09 05:56:01,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:56:01,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 17 [2024-11-09 05:56:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:01,656 INFO L225 Difference]: With dead ends: 97 [2024-11-09 05:56:01,656 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 05:56:01,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:01,660 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 7 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:01,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 93 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:56:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 05:56:01,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 05:56:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:56:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-11-09 05:56:01,676 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 17 [2024-11-09 05:56:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:01,676 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-11-09 05:56:01,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-09 05:56:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2024-11-09 05:56:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:56:01,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:01,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:56:01,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:56:01,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:56:01,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:01,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1299565270, now seen corresponding path program 1 times [2024-11-09 05:56:01,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:01,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225442251] [2024-11-09 05:56:01,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:56:01,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:01,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225442251] [2024-11-09 05:56:01,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225442251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:01,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:01,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:56:01,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869680905] [2024-11-09 05:56:01,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:01,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:56:01,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:01,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:56:01,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:01,781 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-09 05:56:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:01,832 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2024-11-09 05:56:01,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:56:01,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 19 [2024-11-09 05:56:01,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:01,834 INFO L225 Difference]: With dead ends: 102 [2024-11-09 05:56:01,834 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 05:56:01,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:56:01,836 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:01,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:56:01,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 05:56:01,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 05:56:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:56:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2024-11-09 05:56:01,846 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2024-11-09 05:56:01,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:01,847 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-11-09 05:56:01,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-09 05:56:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2024-11-09 05:56:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:56:01,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:56:01,848 INFO L215 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] [2024-11-09 05:56:01,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:56:01,849 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:56:01,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:56:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1438456093, now seen corresponding path program 1 times [2024-11-09 05:56:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:56:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678699622] [2024-11-09 05:56:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:56:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:56:02,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:02,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678699622] [2024-11-09 05:56:02,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678699622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:02,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:02,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:56:02,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935017396] [2024-11-09 05:56:02,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:02,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:56:02,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:02,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:56:02,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:56:02,138 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:56:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:02,313 INFO L93 Difference]: Finished difference Result 86 states and 105 transitions. [2024-11-09 05:56:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:56:02,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-09 05:56:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:02,315 INFO L225 Difference]: With dead ends: 86 [2024-11-09 05:56:02,315 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:56:02,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:56:02,322 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:02,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 43 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:56:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:56:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:56:02,328 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) [2024-11-09 05:56:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:56:02,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-11-09 05:56:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:02,329 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:56:02,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:56:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:56:02,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:56:02,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:56:02,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:56:02,343 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:56:02,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:56:02,880 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:56:02,977 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-09 05:56:02,992 WARN L162 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-09 05:56:02,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:56:02 BoogieIcfgContainer [2024-11-09 05:56:02,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:56:03,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:56:03,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:56:03,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:56:03,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:56:00" (3/4) ... [2024-11-09 05:56:03,007 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:56:03,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 05:56:03,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 05:56:03,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 05:56:03,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 05:56:03,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 05:56:03,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 05:56:03,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 05:56:03,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:56:03,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-09 05:56:03,030 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-09 05:56:03,031 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 05:56:03,033 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:56:03,033 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:56:03,034 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:56:03,071 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) [2024-11-09 05:56:03,114 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) [2024-11-09 05:56:03,178 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:56:03,179 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:56:03,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:56:03,180 INFO L158 Benchmark]: Toolchain (without parser) took 4149.45ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 100.1MB in the end (delta: 30.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,180 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 123.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:56:03,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.72ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 109.1MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.97ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,182 INFO L158 Benchmark]: Boogie Preprocessor took 57.97ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 105.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,182 INFO L158 Benchmark]: RCFGBuilder took 771.94ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 125.7MB in the end (delta: -20.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,183 INFO L158 Benchmark]: TraceAbstraction took 2272.57ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 107.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,184 INFO L158 Benchmark]: Witness Printer took 179.24ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 100.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:56:03,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 123.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.72ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 109.1MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.97ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.97ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 105.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 771.94ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 125.7MB in the end (delta: -20.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2272.57ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 107.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 179.24ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 100.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] - GenericResultAtLocation [Line: 322]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] - GenericResultAtLocation [Line: 421]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] - GenericResultAtLocation [Line: 456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] * 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: 944]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 184 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 63]: Location Invariant Derived location invariant: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 171]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 87]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 877]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 324]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 889]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 63]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 865]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 95]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 179]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:56:03,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78772462-0277-4705-9b57-5a8811cc4414/bin/utaipan-verify-YMUCfTKeje/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