./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/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_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/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_c5ebf80c-1b26-4cde-bf24-791a95072307/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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:48:20,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:48:20,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:48:20,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:48:20,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:48:20,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:48:20,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:48:20,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:48:20,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:48:20,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:48:20,364 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:48:20,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:48:20,364 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:48:20,364 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:48:20,365 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:48:20,365 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:48:20,365 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:48:20,365 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:48:20,366 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:48:20,366 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:48:20,366 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:48:20,366 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:48:20,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:48:20,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:48:20,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:48:20,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:48:20,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:48:20,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:48:20,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:48:20,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:48:20,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:48:20,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:48:20,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:20,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:48:20,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:48:20,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:48:20,372 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:48:20,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:48:20,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:48:20,373 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:48:20,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:48:20,373 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_c5ebf80c-1b26-4cde-bf24-791a95072307/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 -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2024-11-13 23:48:20,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:48:20,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:48:20,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:48:20,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:48:20,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:48:20,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c Unable to find full path for "g++" [2024-11-13 23:48:23,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:48:23,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:48:23,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2024-11-13 23:48:23,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/data/ed7666bb2/242e4fe8e3e84e828f4cd29bd311ef5c/FLAG8bab85cc0 [2024-11-13 23:48:23,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/data/ed7666bb2/242e4fe8e3e84e828f4cd29bd311ef5c [2024-11-13 23:48:23,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:48:23,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:48:23,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:23,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:48:23,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:48:23,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:23" (1/1) ... [2024-11-13 23:48:23,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380b6b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:23, skipping insertion in model container [2024-11-13 23:48:23,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:23" (1/1) ... [2024-11-13 23:48:23,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:48:24,150 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_c5ebf80c-1b26-4cde-bf24-791a95072307/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2024-11-13 23:48:24,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:24,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:48:24,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-13 23:48:24,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2024-11-13 23:48:24,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] [2024-11-13 23:48:24,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] [2024-11-13 23:48:24,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] [2024-11-13 23:48:24,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] [2024-11-13 23:48:24,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] [2024-11-13 23:48:24,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] [2024-11-13 23:48:24,328 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_c5ebf80c-1b26-4cde-bf24-791a95072307/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2024-11-13 23:48:24,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:24,362 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:48:24,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24 WrapperNode [2024-11-13 23:48:24,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:24,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:24,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:48:24,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:48:24,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,448 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 193 [2024-11-13 23:48:24,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:24,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:48:24,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:48:24,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:48:24,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:48:24,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:48:24,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:48:24,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:48:24,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (1/1) ... [2024-11-13 23:48:24,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:48:24,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:48:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:48:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:48:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 23:48:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 23:48:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 23:48:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 23:48:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 23:48:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 23:48:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 23:48:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 23:48:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 23:48:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 23:48:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-13 23:48:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-13 23:48:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-13 23:48:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-13 23:48:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:48:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 23:48:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 23:48:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:48:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:48:24,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:48:24,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:48:25,194 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-13 23:48:25,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:48:25,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:48:25,347 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:48:25,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:25 BoogieIcfgContainer [2024-11-13 23:48:25,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:48:25,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:48:25,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:48:25,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:48:25,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:48:23" (1/3) ... [2024-11-13 23:48:25,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ade617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:25, skipping insertion in model container [2024-11-13 23:48:25,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:24" (2/3) ... [2024-11-13 23:48:25,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ade617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:25, skipping insertion in model container [2024-11-13 23:48:25,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:25" (3/3) ... [2024-11-13 23:48:25,360 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2024-11-13 23:48:25,380 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:48:25,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product24.cil.c that has 9 procedures, 67 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 23:48:25,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:48:25,491 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;@51bee6cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:48:25,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:48:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 23:48:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:48:25,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:25,511 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 23:48:25,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:25,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1398293204, now seen corresponding path program 1 times [2024-11-13 23:48:25,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:25,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859820794] [2024-11-13 23:48:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:25,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:25,788 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 23:48:25,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:48:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859820794] [2024-11-13 23:48:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859820794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:25,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:25,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:48:25,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678593605] [2024-11-13 23:48:25,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:25,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:48:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:48:25,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:48:25,830 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:25,917 INFO L93 Difference]: Finished difference Result 132 states and 183 transitions. [2024-11-13 23:48:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:48:25,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-13 23:48:25,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:25,929 INFO L225 Difference]: With dead ends: 132 [2024-11-13 23:48:25,930 INFO L226 Difference]: Without dead ends: 62 [2024-11-13 23:48:25,934 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 23:48:25,937 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:25,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:48:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-13 23:48:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-13 23:48:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 23:48:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2024-11-13 23:48:25,996 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 17 [2024-11-13 23:48:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:25,996 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2024-11-13 23:48:25,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2024-11-13 23:48:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:48:25,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:26,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:26,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:48:26,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:26,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2085273135, now seen corresponding path program 1 times [2024-11-13 23:48:26,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:26,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523661117] [2024-11-13 23:48:26,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:26,216 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 23:48:26,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:48:26,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523661117] [2024-11-13 23:48:26,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523661117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:26,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:26,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:48:26,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52690565] [2024-11-13 23:48:26,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:26,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:48:26,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:26,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:48:26,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:48:26,219 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:26,306 INFO L93 Difference]: Finished difference Result 96 states and 126 transitions. [2024-11-13 23:48:26,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:48:26,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-13 23:48:26,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:26,311 INFO L225 Difference]: With dead ends: 96 [2024-11-13 23:48:26,311 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 23:48:26,312 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 23:48:26,313 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:26,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 98 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:48:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 23:48:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 23:48:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 23:48:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2024-11-13 23:48:26,331 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 18 [2024-11-13 23:48:26,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:26,332 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2024-11-13 23:48:26,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2024-11-13 23:48:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:48:26,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:26,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:26,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:48:26,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:26,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:26,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1508623781, now seen corresponding path program 1 times [2024-11-13 23:48:26,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:26,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345571588] [2024-11-13 23:48:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:26,460 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 23:48:26,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:48:26,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345571588] [2024-11-13 23:48:26,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345571588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:26,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:26,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:48:26,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722452548] [2024-11-13 23:48:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:48:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:26,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:48:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:48:26,463 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:26,585 INFO L93 Difference]: Finished difference Result 158 states and 210 transitions. [2024-11-13 23:48:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:48:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-13 23:48:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:26,588 INFO L225 Difference]: With dead ends: 158 [2024-11-13 23:48:26,588 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 23:48:26,589 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 23:48:26,590 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 65 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:26,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 123 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:48:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 23:48:26,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2024-11-13 23:48:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-13 23:48:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 137 transitions. [2024-11-13 23:48:26,614 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 137 transitions. Word has length 21 [2024-11-13 23:48:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:26,615 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 137 transitions. [2024-11-13 23:48:26,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2024-11-13 23:48:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:48:26,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:26,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:26,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:48:26,621 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:26,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 173454124, now seen corresponding path program 1 times [2024-11-13 23:48:26,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:26,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673096751] [2024-11-13 23:48:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:26,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:26,837 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 23:48:26,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:48:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673096751] [2024-11-13 23:48:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673096751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:26,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:26,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:48:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077259801] [2024-11-13 23:48:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:26,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:48:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:26,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:48:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:48:26,840 INFO L87 Difference]: Start difference. First operand 103 states and 137 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:26,982 INFO L93 Difference]: Finished difference Result 178 states and 235 transitions. [2024-11-13 23:48:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:48:26,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-13 23:48:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:26,984 INFO L225 Difference]: With dead ends: 178 [2024-11-13 23:48:26,984 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:48:26,985 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 23:48:26,990 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:26,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 61 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:48:26,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:48:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:48:26,991 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 23:48:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:48:26,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-13 23:48:26,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:26,992 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:48:26,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:48:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:48:26,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:48:27,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:48:27,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:48:27,005 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 23:48:27,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:48:27,568 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:48:27,618 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 23:48:27,623 WARN L162 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-13 23:48:27,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:48:27 BoogieIcfgContainer [2024-11-13 23:48:27,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:48:27,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:48:27,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:48:27,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:48:27,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:25" (3/4) ... [2024-11-13 23:48:27,638 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:48:27,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-13 23:48:27,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-13 23:48:27,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-13 23:48:27,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-13 23:48:27,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-13 23:48:27,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-13 23:48:27,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-13 23:48:27,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-13 23:48:27,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-13 23:48:27,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 23:48:27,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:48:27,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:48:27,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:48:27,687 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-13 23:48:27,734 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-13 23:48:27,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:48:27,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:48:27,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:48:27,830 INFO L158 Benchmark]: Toolchain (without parser) took 4228.69ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 100.1MB in the beginning and 315.4MB in the end (delta: -215.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,831 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:27,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.66ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 81.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.78ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 79.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:27,836 INFO L158 Benchmark]: Boogie Preprocessor took 35.20ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,836 INFO L158 Benchmark]: RCFGBuilder took 858.91ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 53.6MB in the end (delta: 24.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,837 INFO L158 Benchmark]: TraceAbstraction took 2282.23ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 43.9MB in the end (delta: 9.3MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,837 INFO L158 Benchmark]: Witness Printer took 194.90ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 43.9MB in the beginning and 315.4MB in the end (delta: -271.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:48:27,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.66ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 81.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.78ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 79.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.20ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 858.91ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 53.6MB in the end (delta: 24.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2282.23ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 43.9MB in the end (delta: 9.3MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 194.90ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 43.9MB in the beginning and 315.4MB in the end (delta: -271.5MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] - GenericResultAtLocation [Line: 738]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] - GenericResultAtLocation [Line: 876]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] * 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: 881]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 353 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 227 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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: 276]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 65]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 156]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 89]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 913]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 740]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 925]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 65]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 901]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 97]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:48:27,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ebf80c-1b26-4cde-bf24-791a95072307/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