./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_spec5_product27.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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:21:34,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:21:34,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:21:34,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:21:34,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:21:34,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:21:34,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:21:34,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:21:34,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:21:34,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:21:34,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:21:34,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:21:34,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:21:34,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:21:34,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:21:34,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:21:34,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:21:34,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:21:34,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:21:34,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:21:34,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:21:34,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:21:34,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:21:34,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:21:34,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:21:34,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:21:34,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:21:34,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:21:34,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:21:34,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:21:34,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:21:34,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:21:34,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:21:34,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:21:34,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:21:34,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:21:34,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:21:34,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:21:34,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:21:34,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:21:34,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:21:34,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:21:34,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2024-11-18 14:21:34,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:21:35,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:21:35,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:21:35,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:21:35,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:21:35,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-18 14:21:36,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:21:36,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:21:36,691 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-18 14:21:36,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f11fa0d/aec49350499e4eb8884cbb7562f43d00/FLAG5a6533257 [2024-11-18 14:21:37,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f11fa0d/aec49350499e4eb8884cbb7562f43d00 [2024-11-18 14:21:37,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:21:37,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:21:37,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:21:37,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:21:37,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:21:37,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e197bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37, skipping insertion in model container [2024-11-18 14:21:37,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:21:37,422 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_spec5_product27.cil.c[13937,13950] [2024-11-18 14:21:37,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:21:37,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:21:37,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-18 14:21:37,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2024-11-18 14:21:37,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2024-11-18 14:21:37,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2024-11-18 14:21:37,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-18 14:21:37,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2024-11-18 14:21:37,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-11-18 14:21:37,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2024-11-18 14:21:37,543 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_spec5_product27.cil.c[13937,13950] [2024-11-18 14:21:37,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:21:37,595 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:21:37,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37 WrapperNode [2024-11-18 14:21:37,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:21:37,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:21:37,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:21:37,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:21:37,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,642 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 174 [2024-11-18 14:21:37,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:21:37,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:21:37,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:21:37,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:21:37,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,676 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]. [2024-11-18 14:21:37,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:21:37,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:21:37,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:21:37,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:21:37,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (1/1) ... [2024-11-18 14:21:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:21:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:21:37,743 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) [2024-11-18 14:21:37,747 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 [2024-11-18 14:21:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:21:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:21:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:21:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:21:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:21:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:21:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:21:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:21:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:21:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-18 14:21:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-18 14:21:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:21:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:21:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:21:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:21:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:21:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:21:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:21:37,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:21:37,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:21:38,236 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-18 14:21:38,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:21:38,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:21:38,255 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:21:38,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:21:38 BoogieIcfgContainer [2024-11-18 14:21:38,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:21:38,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:21:38,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:21:38,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:21:38,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:21:37" (1/3) ... [2024-11-18 14:21:38,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32794e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:21:38, skipping insertion in model container [2024-11-18 14:21:38,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:21:37" (2/3) ... [2024-11-18 14:21:38,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32794e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:21:38, skipping insertion in model container [2024-11-18 14:21:38,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:21:38" (3/3) ... [2024-11-18 14:21:38,269 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2024-11-18 14:21:38,286 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:21:38,286 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:21:38,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:21:38,350 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;@7f62e1c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:21:38,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:21:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-18 14:21:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-18 14:21:38,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:21:38,365 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:21:38,366 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:21:38,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:21:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash 792509939, now seen corresponding path program 1 times [2024-11-18 14:21:38,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:21:38,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543394109] [2024-11-18 14:21:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:21:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:21:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:21:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:21:38,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:21:38,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543394109] [2024-11-18 14:21:38,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543394109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:21:38,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:21:38,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:21:38,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540684124] [2024-11-18 14:21:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:21:38,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:21:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:21:38,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:21:38,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:21:38,619 INFO L87 Difference]: Start difference. First operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:21:38,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:21:38,646 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2024-11-18 14:21:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:21:38,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-18 14:21:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:21:38,657 INFO L225 Difference]: With dead ends: 163 [2024-11-18 14:21:38,657 INFO L226 Difference]: Without dead ends: 77 [2024-11-18 14:21:38,660 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 [2024-11-18 14:21:38,663 INFO L432 NwaCegarLoop]: 107 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, 107 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 [2024-11-18 14:21:38,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:21:38,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-18 14:21:38,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-18 14:21:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 64 states have internal predecessors, (75), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 14:21:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2024-11-18 14:21:38,706 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 32 [2024-11-18 14:21:38,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:21:38,707 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2024-11-18 14:21:38,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:21:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-11-18 14:21:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-18 14:21:38,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:21:38,711 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:21:38,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:21:38,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:21:38,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:21:38,712 INFO L85 PathProgramCache]: Analyzing trace with hash 269039961, now seen corresponding path program 1 times [2024-11-18 14:21:38,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:21:38,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025003474] [2024-11-18 14:21:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:21:38,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:21:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:21:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:21:38,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:21:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025003474] [2024-11-18 14:21:38,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025003474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:21:38,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:21:38,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:21:38,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690521983] [2024-11-18 14:21:38,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:21:38,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:21:38,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:21:38,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:21:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:21:38,835 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:21:38,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:21:38,854 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2024-11-18 14:21:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:21:38,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-18 14:21:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:21:38,857 INFO L225 Difference]: With dead ends: 115 [2024-11-18 14:21:38,857 INFO L226 Difference]: Without dead ends: 68 [2024-11-18 14:21:38,858 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 [2024-11-18 14:21:38,859 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 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 [2024-11-18 14:21:38,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:21:38,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-18 14:21:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-18 14:21:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 14:21:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-11-18 14:21:38,881 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 33 [2024-11-18 14:21:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:21:38,881 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-11-18 14:21:38,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:21:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-11-18 14:21:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-18 14:21:38,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:21:38,884 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:21:38,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:21:38,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:21:38,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:21:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash 682971623, now seen corresponding path program 1 times [2024-11-18 14:21:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:21:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473042779] [2024-11-18 14:21:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:21:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:21:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:21:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:21:39,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:21:39,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473042779] [2024-11-18 14:21:39,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473042779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:21:39,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:21:39,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:21:39,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516255633] [2024-11-18 14:21:39,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:21:39,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:21:39,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:21:39,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:21:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:21:39,052 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:21:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:21:39,092 INFO L93 Difference]: Finished difference Result 187 states and 242 transitions. [2024-11-18 14:21:39,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:21:39,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-18 14:21:39,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:21:39,097 INFO L225 Difference]: With dead ends: 187 [2024-11-18 14:21:39,098 INFO L226 Difference]: Without dead ends: 127 [2024-11-18 14:21:39,098 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 [2024-11-18 14:21:39,100 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:21:39,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 176 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:21:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-18 14:21:39,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2024-11-18 14:21:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 104 states have internal predecessors, (124), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 14:21:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2024-11-18 14:21:39,131 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 37 [2024-11-18 14:21:39,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:21:39,136 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2024-11-18 14:21:39,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:21:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2024-11-18 14:21:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-18 14:21:39,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:21:39,138 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:21:39,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:21:39,138 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:21:39,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:21:39,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1502144112, now seen corresponding path program 1 times [2024-11-18 14:21:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:21:39,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776657489] [2024-11-18 14:21:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:21:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:21:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:21:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-18 14:21:39,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:21:39,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776657489] [2024-11-18 14:21:39,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776657489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:21:39,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:21:39,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:21:39,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639134509] [2024-11-18 14:21:39,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:21:39,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:21:39,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:21:39,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:21:39,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:21:39,304 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:21:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:21:39,403 INFO L93 Difference]: Finished difference Result 210 states and 273 transitions. [2024-11-18 14:21:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:21:39,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-18 14:21:39,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:21:39,406 INFO L225 Difference]: With dead ends: 210 [2024-11-18 14:21:39,406 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 14:21:39,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:21:39,412 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:21:39,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 201 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:21:39,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 14:21:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 14:21:39,413 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) [2024-11-18 14:21:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 14:21:39,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-18 14:21:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:21:39,413 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 14:21:39,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:21:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 14:21:39,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 14:21:39,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:21:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:21:39,421 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-18 14:21:39,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 14:21:39,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:21:39,786 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) [2024-11-18 14:21:39,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:21:39 BoogieIcfgContainer [2024-11-18 14:21:39,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:21:39,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:21:39,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:21:39,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:21:39,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:21:38" (3/4) ... [2024-11-18 14:21:39,801 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 14:21:39,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-18 14:21:39,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-18 14:21:39,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-18 14:21:39,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-18 14:21:39,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-18 14:21:39,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-18 14:21:39,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-18 14:21:39,816 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-18 14:21:39,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-18 14:21:39,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 14:21:39,818 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:21:39,818 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:21:39,915 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:21:39,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 14:21:39,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:21:39,916 INFO L158 Benchmark]: Toolchain (without parser) took 2872.27ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 86.2MB in the beginning and 57.9MB in the end (delta: 28.2MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,917 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:21:39,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.25ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 64.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 62.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,918 INFO L158 Benchmark]: Boogie Preprocessor took 51.84ms. Allocated memory is still 142.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,918 INFO L158 Benchmark]: RCFGBuilder took 556.66ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 59.9MB in the beginning and 157.6MB in the end (delta: -97.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,918 INFO L158 Benchmark]: TraceAbstraction took 1537.31ms. Allocated memory is still 199.2MB. Free memory was 157.6MB in the beginning and 64.2MB in the end (delta: 93.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,919 INFO L158 Benchmark]: Witness Printer took 119.46ms. Allocated memory is still 199.2MB. Free memory was 64.2MB in the beginning and 57.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 14:21:39,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.25ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 64.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 62.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.84ms. Allocated memory is still 142.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.66ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 59.9MB in the beginning and 157.6MB in the end (delta: -97.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1537.31ms. Allocated memory is still 199.2MB. Free memory was 157.6MB in the beginning and 64.2MB in the end (delta: 93.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Witness Printer took 119.46ms. Allocated memory is still 199.2MB. Free memory was 64.2MB in the beginning and 57.9MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * 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: 605]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 633 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 348 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 721]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 869]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 810]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 538]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 783]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 612]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 526]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 888]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-18 14:21:39,957 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