./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/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_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/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_ef57185e-92a4-47e9-9fd2-726baf798a02/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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:12:00,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:12:01,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:12:01,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:12:01,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:12:01,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:12:01,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:12:01,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:12:01,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:12:01,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:12:01,124 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:12:01,124 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:12:01,125 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:12:01,125 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:12:01,127 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:12:01,128 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:12:01,128 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:12:01,128 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:12:01,129 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:12:01,129 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:12:01,129 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:12:01,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:12:01,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:12:01,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:12:01,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:12:01,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:12:01,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:12:01,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:12:01,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:12:01,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:12:01,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:12:01,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:12:01,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:12:01,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:12:01,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:12:01,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:12:01,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:12:01,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:12:01,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:01,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:12:01,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:12:01,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:12:01,141 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:12:01,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:12:01,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:12:01,142 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:12:01,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:12:01,143 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_ef57185e-92a4-47e9-9fd2-726baf798a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2024-11-09 07:12:01,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:12:01,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:12:01,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:12:01,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:12:01,505 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:12:01,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c Unable to find full path for "g++" [2024-11-09 07:12:03,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:12:03,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:12:03,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2024-11-09 07:12:03,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/data/f102cbfa6/d4aecbacc6e749c49a4d93421a8d92be/FLAGf2491ab6f [2024-11-09 07:12:04,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/data/f102cbfa6/d4aecbacc6e749c49a4d93421a8d92be [2024-11-09 07:12:04,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:12:04,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:12:04,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:04,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:12:04,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:12:04,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13156632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04, skipping insertion in model container [2024-11-09 07:12:04,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:12:04,439 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_ef57185e-92a4-47e9-9fd2-726baf798a02/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2024-11-09 07:12:04,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:04,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:12:04,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-09 07:12:04,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2024-11-09 07:12:04,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2024-11-09 07:12:04,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2024-11-09 07:12:04,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2024-11-09 07:12:04,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2024-11-09 07:12:04,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2024-11-09 07:12:04,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2024-11-09 07:12:04,583 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_ef57185e-92a4-47e9-9fd2-726baf798a02/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2024-11-09 07:12:04,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:12:04,665 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:12:04,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04 WrapperNode [2024-11-09 07:12:04,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:12:04,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:04,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:12:04,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:12:04,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,750 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 190 [2024-11-09 07:12:04,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:12:04,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:12:04,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:12:04,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:12:04,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:12:04,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:12:04,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:12:04,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:12:04,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (1/1) ... [2024-11-09 07:12:04,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:12:04,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:12:04,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:12:04,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:12:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:12:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 07:12:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 07:12:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 07:12:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 07:12:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 07:12:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 07:12:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 07:12:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 07:12:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 07:12:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 07:12:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-09 07:12:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-09 07:12:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 07:12:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 07:12:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:12:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 07:12:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 07:12:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:12:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:12:05,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:12:05,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:12:05,549 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-09 07:12:05,549 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:12:05,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:12:05,747 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 07:12:05,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:05 BoogieIcfgContainer [2024-11-09 07:12:05,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:12:05,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:12:05,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:12:05,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:12:05,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:12:04" (1/3) ... [2024-11-09 07:12:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2845ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:05, skipping insertion in model container [2024-11-09 07:12:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:04" (2/3) ... [2024-11-09 07:12:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2845ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:05, skipping insertion in model container [2024-11-09 07:12:05,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:05" (3/3) ... [2024-11-09 07:12:05,767 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2024-11-09 07:12:05,792 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:12:05,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:12:05,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:12:05,899 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;@4db52556, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:12:05,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:12:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 07:12:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 07:12:05,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:05,924 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 07:12:05,925 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:05,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:05,931 INFO L85 PathProgramCache]: Analyzing trace with hash 929674255, now seen corresponding path program 1 times [2024-11-09 07:12:05,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:05,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585426474] [2024-11-09 07:12:05,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:05,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:06,161 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 07:12:06,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:06,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585426474] [2024-11-09 07:12:06,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585426474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:06,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:06,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:12:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770026893] [2024-11-09 07:12:06,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:06,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:12:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:12:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:12:06,211 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 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 6.5) internal successors, (13), 2 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 07:12:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:06,312 INFO L93 Difference]: Finished difference Result 132 states and 183 transitions. [2024-11-09 07:12:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:12:06,317 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 07:12:06,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:06,334 INFO L225 Difference]: With dead ends: 132 [2024-11-09 07:12:06,334 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 07:12:06,341 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 07:12:06,347 INFO L432 NwaCegarLoop]: 72 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, 72 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 07:12:06,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:12:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 07:12:06,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-09 07:12:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 07:12:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2024-11-09 07:12:06,423 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 17 [2024-11-09 07:12:06,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:06,424 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2024-11-09 07:12:06,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 07:12:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2024-11-09 07:12:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 07:12:06,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:06,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:06,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:12:06,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:06,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:06,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2008678248, now seen corresponding path program 1 times [2024-11-09 07:12:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:06,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106919026] [2024-11-09 07:12:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:06,654 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 07:12:06,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106919026] [2024-11-09 07:12:06,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106919026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:06,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:06,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:12:06,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022120150] [2024-11-09 07:12:06,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:06,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:06,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:06,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:12:06,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:12:06,660 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:12:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:06,722 INFO L93 Difference]: Finished difference Result 96 states and 126 transitions. [2024-11-09 07:12:06,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:12:06,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2024-11-09 07:12:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:06,724 INFO L225 Difference]: With dead ends: 96 [2024-11-09 07:12:06,725 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 07:12:06,726 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 07:12:06,727 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:06,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 99 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:12:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 07:12:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 07:12:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:12:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2024-11-09 07:12:06,741 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 18 [2024-11-09 07:12:06,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:06,742 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2024-11-09 07:12:06,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:12:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2024-11-09 07:12:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 07:12:06,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:06,744 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] [2024-11-09 07:12:06,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:12:06,745 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:06,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1775900387, now seen corresponding path program 1 times [2024-11-09 07:12:06,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:06,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596193250] [2024-11-09 07:12:06,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:06,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:06,881 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 07:12:06,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:06,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596193250] [2024-11-09 07:12:06,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596193250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:06,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:06,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:12:06,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424366835] [2024-11-09 07:12:06,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:06,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:06,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:12:06,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:12:06,889 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 07:12:06,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:06,999 INFO L93 Difference]: Finished difference Result 158 states and 210 transitions. [2024-11-09 07:12:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:12:07,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2024-11-09 07:12:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:07,003 INFO L225 Difference]: With dead ends: 158 [2024-11-09 07:12:07,003 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 07:12:07,004 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 07:12:07,006 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 58 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:07,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 125 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:12:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 07:12:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2024-11-09 07:12:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 07:12:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 137 transitions. [2024-11-09 07:12:07,071 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 137 transitions. Word has length 21 [2024-11-09 07:12:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:07,072 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 137 transitions. [2024-11-09 07:12:07,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 07:12:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2024-11-09 07:12:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 07:12:07,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:07,075 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] [2024-11-09 07:12:07,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:12:07,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:07,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:07,077 INFO L85 PathProgramCache]: Analyzing trace with hash -832723608, now seen corresponding path program 1 times [2024-11-09 07:12:07,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:07,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078555532] [2024-11-09 07:12:07,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:07,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:07,265 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 07:12:07,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:07,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078555532] [2024-11-09 07:12:07,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078555532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:07,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:07,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:12:07,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065960114] [2024-11-09 07:12:07,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:07,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:12:07,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:07,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:12:07,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:12:07,269 INFO L87 Difference]: Start difference. First operand 103 states and 137 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-09 07:12:07,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:07,407 INFO L93 Difference]: Finished difference Result 178 states and 235 transitions. [2024-11-09 07:12:07,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:12:07,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 24 [2024-11-09 07:12:07,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:07,409 INFO L225 Difference]: With dead ends: 178 [2024-11-09 07:12:07,409 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:12:07,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:12:07,416 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 28 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:07,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 63 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:12:07,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:12:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:12:07,418 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 07:12:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:12:07,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-09 07:12:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:07,425 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:12:07,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-09 07:12:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:12:07,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:12:07,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:12:07,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:12:07,434 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 07:12:07,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:12:07,985 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:12:08,035 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 07:12:08,040 WARN L162 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 07:12:08,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:12:08 BoogieIcfgContainer [2024-11-09 07:12:08,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:12:08,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:12:08,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:12:08,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:12:08,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:05" (3/4) ... [2024-11-09 07:12:08,049 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:12:08,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 07:12:08,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 07:12:08,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 07:12:08,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 07:12:08,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 07:12:08,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 07:12:08,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 07:12:08,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-09 07:12:08,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-09 07:12:08,069 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 07:12:08,071 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:12:08,072 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:12:08,072 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:12:08,114 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-09 07:12:08,185 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-09 07:12:08,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:12:08,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:12:08,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:12:08,263 INFO L158 Benchmark]: Toolchain (without parser) took 4244.26ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 68.7MB in the end (delta: 46.3MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,263 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:12:08,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.39ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 93.5MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.21ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,264 INFO L158 Benchmark]: Boogie Preprocessor took 57.25ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:12:08,265 INFO L158 Benchmark]: RCFGBuilder took 935.20ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 112.2MB in the end (delta: -22.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,265 INFO L158 Benchmark]: TraceAbstraction took 2292.27ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 77.1MB in the end (delta: 34.4MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,266 INFO L158 Benchmark]: Witness Printer took 217.87ms. Allocated memory is still 146.8MB. Free memory was 77.1MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 07:12:08,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.39ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 93.5MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.21ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.25ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 935.20ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 112.2MB in the end (delta: -22.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2292.27ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 77.1MB in the end (delta: 34.4MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 217.87ms. Allocated memory is still 146.8MB. Free memory was 77.1MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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: 557]: 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 9 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 359 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 231 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 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: 574]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 729]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 662]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 83]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 867]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 638]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 95]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 71]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 670]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:12:08,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef57185e-92a4-47e9-9fd2-726baf798a02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE