./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:18:53,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:18:53,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:18:53,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:18:53,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:18:53,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:18:53,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:18:53,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:18:53,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:18:53,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:18:53,525 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:18:53,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:18:53,525 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:18:53,525 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:18:53,525 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:18:53,526 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:18:53,527 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:18:53,527 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:18:53,527 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:18:53,527 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:18:53,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:18:53,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:18:53,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:18:53,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:18:53,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:18:53,530 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:18:53,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:18:53,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:18:53,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:18:53,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:18:53,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:53,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:18:53,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:18:53,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:18:53,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:18:53,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:18:53,533 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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/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 -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2024-11-14 04:18:53,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:18:53,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:18:53,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:18:53,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:18:53,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:18:53,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c Unable to find full path for "g++" [2024-11-14 04:18:56,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:18:56,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:18:56,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2024-11-14 04:18:56,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/data/9722e519f/99f951f8ff7d4d6789cd1c67a4d649b8/FLAGa0e94577f [2024-11-14 04:18:56,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/data/9722e519f/99f951f8ff7d4d6789cd1c67a4d649b8 [2024-11-14 04:18:56,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:18:56,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:18:56,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:56,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:18:56,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:18:56,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:56" (1/1) ... [2024-11-14 04:18:56,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfe2769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:56, skipping insertion in model container [2024-11-14 04:18:56,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:56" (1/1) ... [2024-11-14 04:18:56,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:56,967 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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2024-11-14 04:18:57,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:57,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:57,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-14 04:18:57,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2024-11-14 04:18:57,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] [2024-11-14 04:18:57,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2024-11-14 04:18:57,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] [2024-11-14 04:18:57,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-14 04:18:57,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] [2024-11-14 04:18:57,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] [2024-11-14 04:18:57,133 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_2fee7de9-123a-48e4-a71d-d8dee29b06a2/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2024-11-14 04:18:57,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:57,200 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:57,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57 WrapperNode [2024-11-14 04:18:57,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:57,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:57,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:57,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:57,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,256 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 167 [2024-11-14 04:18:57,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:57,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:57,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:57,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:57,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:57,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:57,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:57,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:57,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (1/1) ... [2024-11-14 04:18:57,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:57,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:57,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-14 04:18:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-14 04:18:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-14 04:18:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-14 04:18:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-14 04:18:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-14 04:18:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-14 04:18:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-14 04:18:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-14 04:18:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-14 04:18:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-14 04:18:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-14 04:18:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:18:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-14 04:18:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-14 04:18:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:57,515 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:57,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:57,963 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-14 04:18:57,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:58,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:58,122 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:18:58,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:58 BoogieIcfgContainer [2024-11-14 04:18:58,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:58,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:58,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:58,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:58,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:18:56" (1/3) ... [2024-11-14 04:18:58,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb6611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:58, skipping insertion in model container [2024-11-14 04:18:58,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:57" (2/3) ... [2024-11-14 04:18:58,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb6611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:58, skipping insertion in model container [2024-11-14 04:18:58,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:58" (3/3) ... [2024-11-14 04:18:58,139 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2024-11-14 04:18:58,155 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:58,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product07.cil.c that has 8 procedures, 59 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 04:18:58,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:58,243 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;@7a76dc28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:58,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:18:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 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) [2024-11-14 04:18:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 04:18:58,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:58,266 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:58,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:58,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1456074353, now seen corresponding path program 1 times [2024-11-14 04:18:58,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:58,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337925343] [2024-11-14 04:18:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:58,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:18:58,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:58,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337925343] [2024-11-14 04:18:58,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337925343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:58,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:58,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:58,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006250629] [2024-11-14 04:18:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:58,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:18:58,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:18:58,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:18:58,597 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:58,673 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2024-11-14 04:18:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:18:58,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-14 04:18:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:58,686 INFO L225 Difference]: With dead ends: 116 [2024-11-14 04:18:58,687 INFO L226 Difference]: Without dead ends: 54 [2024-11-14 04:18:58,693 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 [2024-11-14 04:18:58,699 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-14 04:18:58,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:18:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-14 04:18:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-14 04:18:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 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) [2024-11-14 04:18:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2024-11-14 04:18:58,746 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2024-11-14 04:18:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:58,747 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2024-11-14 04:18:58,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2024-11-14 04:18:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 04:18:58,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:58,750 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:58,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:18:58,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:58,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1383083215, now seen corresponding path program 1 times [2024-11-14 04:18:58,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:58,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600961592] [2024-11-14 04:18:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:58,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:18:58,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:58,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600961592] [2024-11-14 04:18:58,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600961592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:58,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:58,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:18:58,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502488811] [2024-11-14 04:18:58,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:58,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:58,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:58,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:58,929 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:58,981 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2024-11-14 04:18:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:58,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-14 04:18:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:58,982 INFO L225 Difference]: With dead ends: 80 [2024-11-14 04:18:58,983 INFO L226 Difference]: Without dead ends: 46 [2024-11-14 04:18:58,983 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 [2024-11-14 04:18:58,984 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:58,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:18:58,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-14 04:18:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-14 04:18:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 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) [2024-11-14 04:18:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-14 04:18:58,994 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2024-11-14 04:18:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:58,994 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-14 04:18:58,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-14 04:18:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:18:58,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:58,996 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:18:58,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:58,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:58,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1845846839, now seen corresponding path program 1 times [2024-11-14 04:18:58,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164890891] [2024-11-14 04:18:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:18:59,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:59,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164890891] [2024-11-14 04:18:59,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164890891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:59,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:59,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:18:59,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077261179] [2024-11-14 04:18:59,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:59,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:59,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:59,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:59,130 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:18:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:59,219 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2024-11-14 04:18:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-14 04:18:59,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:59,222 INFO L225 Difference]: With dead ends: 134 [2024-11-14 04:18:59,223 INFO L226 Difference]: Without dead ends: 90 [2024-11-14 04:18:59,223 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 [2024-11-14 04:18:59,224 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 44 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 103 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 [2024-11-14 04:18:59,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 103 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:59,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-14 04:18:59,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2024-11-14 04:18:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 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) [2024-11-14 04:18:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2024-11-14 04:18:59,249 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2024-11-14 04:18:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:59,250 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2024-11-14 04:18:59,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:18:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2024-11-14 04:18:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 04:18:59,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:59,252 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:59,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:18:59,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:59,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:59,253 INFO L85 PathProgramCache]: Analyzing trace with hash 313229766, now seen corresponding path program 1 times [2024-11-14 04:18:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510911496] [2024-11-14 04:18:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:18:59,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510911496] [2024-11-14 04:18:59,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510911496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:59,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:59,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:18:59,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978215208] [2024-11-14 04:18:59,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:59,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:18:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:18:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:18:59,519 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:59,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:59,746 INFO L93 Difference]: Finished difference Result 156 states and 203 transitions. [2024-11-14 04:18:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:18:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-14 04:18:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:59,754 INFO L225 Difference]: With dead ends: 156 [2024-11-14 04:18:59,754 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:18:59,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:18:59,756 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 24 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:59,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 107 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:18:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:18:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:18:59,760 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) [2024-11-14 04:18:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:18:59,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-14 04:18:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:59,761 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:18:59,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:18:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:18:59,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:18:59,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:18:59,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:18:59,771 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 04:18:59,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:19:00,305 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:19:00,350 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) [2024-11-14 04:19:00,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:19:00 BoogieIcfgContainer [2024-11-14 04:19:00,356 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:19:00,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:19:00,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:19:00,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:19:00,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:58" (3/4) ... [2024-11-14 04:19:00,361 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:19:00,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-14 04:19:00,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-14 04:19:00,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-14 04:19:00,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-14 04:19:00,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-14 04:19:00,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-14 04:19:00,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-14 04:19:00,377 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-14 04:19:00,378 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-14 04:19:00,378 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:19:00,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:19:00,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:19:00,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:19:00,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:19:00,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:19:00,520 INFO L158 Benchmark]: Toolchain (without parser) took 3954.12ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 71.4MB in the end (delta: 20.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,520 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:19:00,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.52ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:19:00,522 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,523 INFO L158 Benchmark]: RCFGBuilder took 834.72ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.8MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,523 INFO L158 Benchmark]: TraceAbstraction took 2230.38ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 78.1MB in the end (delta: -29.9MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,526 INFO L158 Benchmark]: Witness Printer took 161.70ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 71.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:19:00,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.52ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 834.72ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.8MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2230.38ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 78.1MB in the end (delta: -29.9MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 161.70ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 71.4MB in the end (delta: 6.8MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] - GenericResultAtLocation [Line: 555]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] * 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: 516]: 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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 196 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 301]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 432]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 391]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 186]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (waterLevel == \old(waterLevel))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 364]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 52]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 174]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) - ProcedureContractResult [Line: 451]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:19:00,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fee7de9-123a-48e4-a71d-d8dee29b06a2/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