./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E --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 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:42:09,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:42:09,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:42:09,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:42:09,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:42:09,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:42:09,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:42:09,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:42:09,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:42:09,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:42:09,457 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:42:09,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:42:09,459 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:42:09,459 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:42:09,460 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:42:09,460 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:42:09,460 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:42:09,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:42:09,461 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:42:09,461 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:42:09,461 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:42:09,461 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:42:09,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:42:09,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:42:09,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:42:09,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:42:09,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:09,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:42:09,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:42:09,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:42:09,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:42:09,465 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E 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 -> 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb [2024-11-13 23:42:09,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:42:09,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:42:09,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:42:09,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:42:09,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:42:09,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c Unable to find full path for "g++" [2024-11-13 23:42:11,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:42:12,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:42:12,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2024-11-13 23:42:12,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/data/cccf90abe/8846d965f60541d09457318969feb3c9/FLAGfae35fd81 [2024-11-13 23:42:12,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/data/cccf90abe/8846d965f60541d09457318969feb3c9 [2024-11-13 23:42:12,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:42:12,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:42:12,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:12,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:42:12,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:42:12,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:12" (1/1) ... [2024-11-13 23:42:12,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d23453c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:12, skipping insertion in model container [2024-11-13 23:42:12,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:12" (1/1) ... [2024-11-13 23:42:12,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:42:12,779 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_740af5fb-33b0-47cb-bb09-84764f7e946f/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[3211,3224] [2024-11-13 23:42:12,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:12,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:42:12,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-13 23:42:12,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2024-11-13 23:42:12,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [163] [2024-11-13 23:42:12,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [172] [2024-11-13 23:42:12,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] [2024-11-13 23:42:12,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2024-11-13 23:42:12,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [431] [2024-11-13 23:42:12,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [527] [2024-11-13 23:42:12,981 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_740af5fb-33b0-47cb-bb09-84764f7e946f/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[3211,3224] [2024-11-13 23:42:13,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:13,064 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:42:13,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13 WrapperNode [2024-11-13 23:42:13,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:13,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:13,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:42:13,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:42:13,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,124 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 150 [2024-11-13 23:42:13,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:13,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:42:13,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:42:13,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:42:13,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:42:13,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:42:13,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:42:13,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:42:13,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (1/1) ... [2024-11-13 23:42:13,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:13,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:13,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:42:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:42:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 23:42:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 23:42:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 23:42:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 23:42:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 23:42:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 23:42:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-13 23:42:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-13 23:42:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:42:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 23:42:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 23:42:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:42:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:42:13,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:42:13,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:42:13,586 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 23:42:13,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:42:13,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:42:13,687 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:42:13,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:13 BoogieIcfgContainer [2024-11-13 23:42:13,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:42:13,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:42:13,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:42:13,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:42:13,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:42:12" (1/3) ... [2024-11-13 23:42:13,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce2524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:13, skipping insertion in model container [2024-11-13 23:42:13,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:13" (2/3) ... [2024-11-13 23:42:13,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce2524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:13, skipping insertion in model container [2024-11-13 23:42:13,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:13" (3/3) ... [2024-11-13 23:42:13,700 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2024-11-13 23:42:13,718 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:42:13,720 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product07.cil.c that has 8 procedures, 58 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 23:42:13,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:42:13,816 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;@697dd9aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:42:13,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:42:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 44 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 23:42:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:42:13,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:13,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:13,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:13,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash -955182126, now seen corresponding path program 1 times [2024-11-13 23:42:13,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:13,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465270584] [2024-11-13 23:42:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:13,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:42:14,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:42:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465270584] [2024-11-13 23:42:14,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465270584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:14,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:14,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:42:14,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852627273] [2024-11-13 23:42:14,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:14,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:42:14,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:42:14,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:42:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:42:14,041 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 44 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2024-11-13 23:42:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:14,111 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2024-11-13 23:42:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:42:14,114 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 [2024-11-13 23:42:14,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:14,122 INFO L225 Difference]: With dead ends: 114 [2024-11-13 23:42:14,123 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 23:42:14,127 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 [2024-11-13 23:42:14,130 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:14,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:42:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 23:42:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-13 23:42:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 40 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 23:42:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2024-11-13 23:42:14,187 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 16 [2024-11-13 23:42:14,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:14,187 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2024-11-13 23:42:14,188 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) [2024-11-13 23:42:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2024-11-13 23:42:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:42:14,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:14,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:14,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:42:14,191 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:14,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1855448187, now seen corresponding path program 1 times [2024-11-13 23:42:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146807698] [2024-11-13 23:42:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:42:14,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:42:14,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146807698] [2024-11-13 23:42:14,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146807698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:14,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:14,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:42:14,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245717431] [2024-11-13 23:42:14,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:14,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:42:14,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:42:14,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:42:14,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:42:14,361 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2024-11-13 23:42:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:14,428 INFO L93 Difference]: Finished difference Result 78 states and 98 transitions. [2024-11-13 23:42:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:42:14,429 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 [2024-11-13 23:42:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:14,430 INFO L225 Difference]: With dead ends: 78 [2024-11-13 23:42:14,431 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 23:42:14,431 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 [2024-11-13 23:42:14,432 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:14,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 73 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:42:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 23:42:14,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 23:42:14,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 35 states have internal predecessors, (39), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 23:42:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2024-11-13 23:42:14,446 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 17 [2024-11-13 23:42:14,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:14,447 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2024-11-13 23:42:14,447 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) [2024-11-13 23:42:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2024-11-13 23:42:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:42:14,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:14,448 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] [2024-11-13 23:42:14,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:42:14,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:14,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:14,449 INFO L85 PathProgramCache]: Analyzing trace with hash -386571677, now seen corresponding path program 1 times [2024-11-13 23:42:14,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:14,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641774630] [2024-11-13 23:42:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:14,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:42:14,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:42:14,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641774630] [2024-11-13 23:42:14,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641774630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:14,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:14,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:42:14,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067017760] [2024-11-13 23:42:14,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:14,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:42:14,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:42:14,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:42:14,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:42:14,624 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-13 23:42:14,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:14,736 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2024-11-13 23:42:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:42:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2024-11-13 23:42:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:14,741 INFO L225 Difference]: With dead ends: 131 [2024-11-13 23:42:14,741 INFO L226 Difference]: Without dead ends: 88 [2024-11-13 23:42:14,741 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 [2024-11-13 23:42:14,744 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 44 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:14,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 97 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:42:14,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-13 23:42:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2024-11-13 23:42:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 65 states have internal predecessors, (73), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:42:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2024-11-13 23:42:14,772 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 20 [2024-11-13 23:42:14,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:14,772 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2024-11-13 23:42:14,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-13 23:42:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2024-11-13 23:42:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:42:14,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:14,774 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] [2024-11-13 23:42:14,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:42:14,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:14,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:14,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2063923163, now seen corresponding path program 1 times [2024-11-13 23:42:14,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:14,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751340937] [2024-11-13 23:42:14,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:14,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:42:14,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:42:14,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751340937] [2024-11-13 23:42:14,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751340937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:14,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:14,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:42:14,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958335653] [2024-11-13 23:42:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:14,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:42:14,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:42:14,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:42:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:42:14,985 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-13 23:42:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:15,085 INFO L93 Difference]: Finished difference Result 150 states and 193 transitions. [2024-11-13 23:42:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:42:15,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2024-11-13 23:42:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:15,087 INFO L225 Difference]: With dead ends: 150 [2024-11-13 23:42:15,087 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:42:15,087 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 [2024-11-13 23:42:15,088 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 23 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:15,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:42:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:42:15,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:42:15,093 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) [2024-11-13 23:42:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:42:15,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-13 23:42:15,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:15,093 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:42:15,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-13 23:42:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:42:15,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:42:15,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:42:15,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:42:15,103 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 23:42:15,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:42:15,512 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:42:15,556 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) [2024-11-13 23:42:15,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:42:15 BoogieIcfgContainer [2024-11-13 23:42:15,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:42:15,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:42:15,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:42:15,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:42:15,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:13" (3/4) ... [2024-11-13 23:42:15,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:42:15,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-13 23:42:15,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-13 23:42:15,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-13 23:42:15,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-13 23:42:15,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-13 23:42:15,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-13 23:42:15,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-13 23:42:15,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-13 23:42:15,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 23:42:15,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:42:15,585 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:42:15,585 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:42:15,616 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-13 23:42:15,647 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-13 23:42:15,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:42:15,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:42:15,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:42:15,704 INFO L158 Benchmark]: Toolchain (without parser) took 3234.68ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 58.9MB in the end (delta: 58.8MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-13 23:42:15,705 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:15,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.74ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 99.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:42:15,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.24ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:15,707 INFO L158 Benchmark]: Boogie Preprocessor took 28.91ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:15,708 INFO L158 Benchmark]: RCFGBuilder took 534.36ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 75.7MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:42:15,708 INFO L158 Benchmark]: TraceAbstraction took 1870.85ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 65.3MB in the end (delta: 10.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 23:42:15,708 INFO L158 Benchmark]: Witness Printer took 139.09ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 58.9MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:42:15,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.74ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 99.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.24ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.91ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.36ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 75.7MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1870.85ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 65.3MB in the end (delta: 10.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 139.09ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 58.9MB in the end (delta: 6.4MB). 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: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [163] - GenericResultAtLocation [Line: 172]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [172] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 431]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [431] - GenericResultAtLocation [Line: 527]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [527] * 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: 168]: 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 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 284 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 89 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=85occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 181]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 246]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 205]: 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))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((waterLevel == \old(waterLevel)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 433]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 181]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 94]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:42:15,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740af5fb-33b0-47cb-bb09-84764f7e946f/bin/utaipan-verify-sOmjnqqW8E/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