./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:12:56,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:12:56,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:12:56,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:12:56,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:12:56,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:12:56,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:12:56,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:12:56,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:12:56,956 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:12:56,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:12:56,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:12:56,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:12:56,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:12:56,959 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:12:56,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:12:56,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:12:56,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:12:56,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:12:56,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:12:56,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:12:56,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:12:56,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:12:56,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:12:56,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:12:56,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:12:56,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:12:56,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:12:56,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:12:56,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:12:56,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:12:56,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:12:56,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:12:56,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:12:56,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:12:56,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:12:56,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:12:56,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:12:56,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:12:56,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:12:56,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:12:56,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:12:56,983 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2024-11-08 15:12:57,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:12:57,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:12:57,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:12:57,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:12:57,292 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:12:57,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-11-08 15:12:58,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:12:58,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:12:58,987 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-11-08 15:12:59,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7691863f/939a4b3ed0fe4e17a2ac49d06d60c5d6/FLAGbf6d88900 [2024-11-08 15:12:59,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7691863f/939a4b3ed0fe4e17a2ac49d06d60c5d6 [2024-11-08 15:12:59,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:12:59,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:12:59,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:12:59,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:12:59,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:12:59,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35817302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59, skipping insertion in model container [2024-11-08 15:12:59,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:12:59,599 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2024-11-08 15:12:59,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:12:59,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:12:59,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-08 15:12:59,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2024-11-08 15:12:59,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-08 15:12:59,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2024-11-08 15:12:59,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2024-11-08 15:12:59,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2024-11-08 15:12:59,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2024-11-08 15:12:59,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2024-11-08 15:12:59,756 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2024-11-08 15:12:59,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:12:59,821 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:12:59,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59 WrapperNode [2024-11-08 15:12:59,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:12:59,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:12:59,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:12:59,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:12:59,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,863 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 163 [2024-11-08 15:12:59,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:12:59,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:12:59,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:12:59,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:12:59,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,890 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:12:59,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:12:59,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:12:59,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:12:59,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:12:59,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (1/1) ... [2024-11-08 15:12:59,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:12:59,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:12:59,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:12:59,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:12:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:12:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:12:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:12:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:12:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:12:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:12:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:12:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 15:12:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 15:12:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:12:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:12:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:12:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:12:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:12:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:12:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:12:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:12:59,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:13:00,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:13:00,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:13:00,242 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 15:13:00,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:13:00,259 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:13:00,260 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:13:00,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:00 BoogieIcfgContainer [2024-11-08 15:13:00,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:13:00,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:13:00,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:13:00,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:13:00,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:12:59" (1/3) ... [2024-11-08 15:13:00,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776ebbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:00, skipping insertion in model container [2024-11-08 15:13:00,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:12:59" (2/3) ... [2024-11-08 15:13:00,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776ebbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:00, skipping insertion in model container [2024-11-08 15:13:00,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:00" (3/3) ... [2024-11-08 15:13:00,267 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2024-11-08 15:13:00,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:13:00,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:13:00,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:13:00,349 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=PETRI_NET, 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;@11b8264a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:13:00,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:13:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 15:13:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 15:13:00,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:00,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:00,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:00,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash 233664886, now seen corresponding path program 1 times [2024-11-08 15:13:00,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:00,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116426259] [2024-11-08 15:13:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 15:13:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:00,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:00,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116426259] [2024-11-08 15:13:00,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116426259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:00,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:00,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:13:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86277692] [2024-11-08 15:13:00,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:00,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:13:00,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:13:00,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:00,595 INFO L87 Difference]: Start difference. First operand has 80 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 15:13:00,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:00,620 INFO L93 Difference]: Finished difference Result 152 states and 205 transitions. [2024-11-08 15:13:00,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:13:00,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-08 15:13:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:00,632 INFO L225 Difference]: With dead ends: 152 [2024-11-08 15:13:00,633 INFO L226 Difference]: Without dead ends: 71 [2024-11-08 15:13:00,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:00,640 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:00,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:00,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-08 15:13:00,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-08 15:13:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 15:13:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2024-11-08 15:13:00,678 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 23 [2024-11-08 15:13:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:00,679 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2024-11-08 15:13:00,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 15:13:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2024-11-08 15:13:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 15:13:00,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:00,683 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] [2024-11-08 15:13:00,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:13:00,683 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash 962070603, now seen corresponding path program 1 times [2024-11-08 15:13:00,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410829583] [2024-11-08 15:13:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:00,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 15:13:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:00,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410829583] [2024-11-08 15:13:00,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410829583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:00,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:00,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:13:00,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274901736] [2024-11-08 15:13:00,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:00,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:13:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:00,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:13:00,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:00,833 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 15:13:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:00,853 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2024-11-08 15:13:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:13:00,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2024-11-08 15:13:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:00,855 INFO L225 Difference]: With dead ends: 104 [2024-11-08 15:13:00,855 INFO L226 Difference]: Without dead ends: 62 [2024-11-08 15:13:00,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:00,856 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 16 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:00,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-08 15:13:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-08 15:13:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 15:13:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2024-11-08 15:13:00,866 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 24 [2024-11-08 15:13:00,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:00,867 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2024-11-08 15:13:00,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 15:13:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2024-11-08 15:13:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 15:13:00,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:00,868 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:00,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:13:00,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:00,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1633759331, now seen corresponding path program 1 times [2024-11-08 15:13:00,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:00,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547537049] [2024-11-08 15:13:00,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:00,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:01,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:01,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547537049] [2024-11-08 15:13:01,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547537049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:01,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:01,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:13:01,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748802673] [2024-11-08 15:13:01,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:01,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:13:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:13:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:13:01,073 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-08 15:13:01,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:01,237 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2024-11-08 15:13:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:13:01,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2024-11-08 15:13:01,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:01,240 INFO L225 Difference]: With dead ends: 213 [2024-11-08 15:13:01,240 INFO L226 Difference]: Without dead ends: 158 [2024-11-08 15:13:01,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:13:01,242 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 129 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:01,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 382 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:13:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-08 15:13:01,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2024-11-08 15:13:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 127 states have internal predecessors, (153), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-08 15:13:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2024-11-08 15:13:01,270 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 28 [2024-11-08 15:13:01,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:01,271 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2024-11-08 15:13:01,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-08 15:13:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-08 15:13:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 15:13:01,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:01,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:01,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:13:01,274 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:01,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:01,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1210161126, now seen corresponding path program 1 times [2024-11-08 15:13:01,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:01,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014655959] [2024-11-08 15:13:01,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:13:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:13:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:01,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:01,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014655959] [2024-11-08 15:13:01,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014655959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:01,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:01,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763235455] [2024-11-08 15:13:01,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:01,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:01,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:01,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:01,382 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:13:01,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:01,446 INFO L93 Difference]: Finished difference Result 263 states and 345 transitions. [2024-11-08 15:13:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:01,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-08 15:13:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:01,449 INFO L225 Difference]: With dead ends: 263 [2024-11-08 15:13:01,449 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:13:01,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:01,454 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:01,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:13:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:13:01,459 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) [2024-11-08 15:13:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:13:01,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-08 15:13:01,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:01,460 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:13:01,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:13:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:13:01,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:13:01,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:13:01,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:13:01,466 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 15:13:01,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 15:13:01,845 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:13:01,893 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-08 15:13:01,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:13:01 BoogieIcfgContainer [2024-11-08 15:13:01,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:13:01,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:13:01,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:13:01,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:13:01,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:00" (3/4) ... [2024-11-08 15:13:01,902 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-08 15:13:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 15:13:01,916 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 15:13:01,916 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 15:13:01,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 15:13:01,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:01,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:02,029 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:13:02,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 15:13:02,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:13:02,031 INFO L158 Benchmark]: Toolchain (without parser) took 2677.97ms. Allocated memory is still 176.2MB. Free memory was 134.9MB in the beginning and 60.7MB in the end (delta: 74.2MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,032 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 146.5MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:13:02,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.23ms. Allocated memory is still 176.2MB. Free memory was 134.9MB in the beginning and 113.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.59ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,033 INFO L158 Benchmark]: Boogie Preprocessor took 39.95ms. Allocated memory is still 176.2MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,033 INFO L158 Benchmark]: RCFGBuilder took 355.42ms. Allocated memory is still 176.2MB. Free memory was 108.9MB in the beginning and 92.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,033 INFO L158 Benchmark]: TraceAbstraction took 1636.06ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 67.0MB in the end (delta: 25.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,034 INFO L158 Benchmark]: Witness Printer took 131.86ms. Allocated memory is still 176.2MB. Free memory was 67.0MB in the beginning and 60.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 15:13:02,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 146.5MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.23ms. Allocated memory is still 176.2MB. Free memory was 134.9MB in the beginning and 113.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.59ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.95ms. Allocated memory is still 176.2MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 355.42ms. Allocated memory is still 176.2MB. Free memory was 108.9MB in the beginning and 92.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1636.06ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 67.0MB in the end (delta: 25.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Witness Printer took 131.86ms. Allocated memory is still 176.2MB. Free memory was 67.0MB in the beginning and 60.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * 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: 83]: 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 759 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 316 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 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: 866]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 865]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 757]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 716]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 120]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((waterLevel == \old(waterLevel)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 692]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 589]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 132]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 108]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 15:13:02,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE