./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:51:40,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:51:40,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:51:40,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:51:40,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:51:40,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:51:40,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:51:40,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:51:40,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:51:40,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:51:40,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:51:40,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:51:40,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:51:40,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:51:40,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:51:40,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:51:40,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:51:40,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:51:40,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:51:40,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:51:40,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:51:40,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:51:40,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:51:40,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:51:40,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:51:40,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:51:40,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:51:40,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:51:40,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:51:40,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:51:40,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:51:40,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:51:40,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:51:40,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:51:40,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:51:40,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:51:40,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:51:40,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:51:40,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:51:40,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:51:40,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:51:40,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:51:40,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2024-11-11 20:51:40,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:51:40,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:51:40,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:51:40,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:51:40,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:51:40,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-11 20:51:42,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:51:42,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:51:42,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2024-11-11 20:51:42,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da6cae88f/cb4b20efdb134c37937dca5f657cc7fc/FLAG52cd31e8c [2024-11-11 20:51:42,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da6cae88f/cb4b20efdb134c37937dca5f657cc7fc [2024-11-11 20:51:42,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:51:42,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:51:42,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:51:42,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:51:42,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:51:42,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:51:42" (1/1) ... [2024-11-11 20:51:42,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38525184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:42, skipping insertion in model container [2024-11-11 20:51:42,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:51:42" (1/1) ... [2024-11-11 20:51:42,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:51:43,142 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_product04.cil.c[1605,1618] [2024-11-11 20:51:43,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:51:43,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:51:43,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-11 20:51:43,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-11 20:51:43,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-11 20:51:43,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] [2024-11-11 20:51:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] [2024-11-11 20:51:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2024-11-11 20:51:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2024-11-11 20:51:43,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2024-11-11 20:51:43,296 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_product04.cil.c[1605,1618] [2024-11-11 20:51:43,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:51:43,398 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:51:43,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43 WrapperNode [2024-11-11 20:51:43,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:51:43,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:51:43,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:51:43,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:51:43,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,448 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 137 [2024-11-11 20:51:43,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:51:43,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:51:43,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:51:43,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:51:43,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,492 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]. [2024-11-11 20:51:43,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:51:43,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:51:43,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:51:43,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:51:43,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (1/1) ... [2024-11-11 20:51:43,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:51:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:51:43,555 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) [2024-11-11 20:51:43,558 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 [2024-11-11 20:51:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:51:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-11 20:51:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-11 20:51:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:51:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:51:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:51:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:51:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:51:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:51:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:51:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:51:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:51:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:51:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:51:43,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:51:43,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:51:43,970 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-11 20:51:43,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:51:43,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:51:43,987 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:51:43,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:51:43 BoogieIcfgContainer [2024-11-11 20:51:43,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:51:43,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:51:43,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:51:43,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:51:43,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:51:42" (1/3) ... [2024-11-11 20:51:43,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd084ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:51:43, skipping insertion in model container [2024-11-11 20:51:43,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:51:43" (2/3) ... [2024-11-11 20:51:43,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd084ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:51:43, skipping insertion in model container [2024-11-11 20:51:43,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:51:43" (3/3) ... [2024-11-11 20:51:43,997 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2024-11-11 20:51:44,014 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:51:44,014 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:51:44,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:51:44,090 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;@4195101d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:51:44,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:51:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-11 20:51:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-11 20:51:44,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:51:44,104 INFO L218 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] [2024-11-11 20:51:44,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:51:44,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:51:44,110 INFO L85 PathProgramCache]: Analyzing trace with hash -291127646, now seen corresponding path program 1 times [2024-11-11 20:51:44,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:51:44,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101228678] [2024-11-11 20:51:44,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:51:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:51:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:51:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:51:44,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:51:44,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101228678] [2024-11-11 20:51:44,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101228678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:51:44,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:51:44,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:51:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045910642] [2024-11-11 20:51:44,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:51:44,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:51:44,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:51:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:51:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:51:44,361 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-11 20:51:44,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:51:44,398 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2024-11-11 20:51:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:51:44,401 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 [2024-11-11 20:51:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:51:44,410 INFO L225 Difference]: With dead ends: 126 [2024-11-11 20:51:44,411 INFO L226 Difference]: Without dead ends: 58 [2024-11-11 20:51:44,416 INFO L434 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 [2024-11-11 20:51:44,421 INFO L435 NwaCegarLoop]: 81 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, 81 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 [2024-11-11 20:51:44,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:51:44,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-11 20:51:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-11 20:51:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-11 20:51:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-11 20:51:44,474 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2024-11-11 20:51:44,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:51:44,475 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-11 20:51:44,476 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) [2024-11-11 20:51:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-11 20:51:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-11 20:51:44,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:51:44,478 INFO L218 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] [2024-11-11 20:51:44,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:51:44,478 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:51:44,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:51:44,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1914493388, now seen corresponding path program 1 times [2024-11-11 20:51:44,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:51:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435654393] [2024-11-11 20:51:44,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:51:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:51:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-11 20:51:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:51:44,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:51:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435654393] [2024-11-11 20:51:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435654393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:51:44,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:51:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:51:44,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773588468] [2024-11-11 20:51:44,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:51:44,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:51:44,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:51:44,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:51:44,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:51:44,658 INFO L87 Difference]: Start difference. First operand 58 states and 72 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) [2024-11-11 20:51:44,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:51:44,675 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2024-11-11 20:51:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:51:44,676 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 [2024-11-11 20:51:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:51:44,677 INFO L225 Difference]: With dead ends: 77 [2024-11-11 20:51:44,679 INFO L226 Difference]: Without dead ends: 49 [2024-11-11 20:51:44,680 INFO L434 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 [2024-11-11 20:51:44,681 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 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 [2024-11-11 20:51:44,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:51:44,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-11 20:51:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-11 20:51:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-11 20:51:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2024-11-11 20:51:44,694 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24 [2024-11-11 20:51:44,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:51:44,694 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2024-11-11 20:51:44,694 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) [2024-11-11 20:51:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-11-11 20:51:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-11 20:51:44,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:51:44,696 INFO L218 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] [2024-11-11 20:51:44,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:51:44,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:51:44,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:51:44,699 INFO L85 PathProgramCache]: Analyzing trace with hash -832804307, now seen corresponding path program 1 times [2024-11-11 20:51:44,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:51:44,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408593991] [2024-11-11 20:51:44,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:51:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:51:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 20:51:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:51:44,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:51:44,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408593991] [2024-11-11 20:51:44,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408593991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:51:44,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:51:44,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:51:44,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671288725] [2024-11-11 20:51:44,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:51:44,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:51:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:51:44,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:51:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:51:44,829 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-11 20:51:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:51:44,872 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2024-11-11 20:51:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:51:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2024-11-11 20:51:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:51:44,878 INFO L225 Difference]: With dead ends: 131 [2024-11-11 20:51:44,878 INFO L226 Difference]: Without dead ends: 89 [2024-11-11 20:51:44,879 INFO L434 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 [2024-11-11 20:51:44,880 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 52 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:51:44,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 107 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:51:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-11 20:51:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-11 20:51:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-11 20:51:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2024-11-11 20:51:44,903 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 29 [2024-11-11 20:51:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:51:44,904 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2024-11-11 20:51:44,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-11 20:51:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-11 20:51:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-11 20:51:44,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:51:44,907 INFO L218 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] [2024-11-11 20:51:44,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:51:44,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:51:44,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:51:44,908 INFO L85 PathProgramCache]: Analyzing trace with hash 106556984, now seen corresponding path program 1 times [2024-11-11 20:51:44,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:51:44,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424856458] [2024-11-11 20:51:44,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:51:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:51:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-11 20:51:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:51:45,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:51:45,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424856458] [2024-11-11 20:51:45,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424856458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:51:45,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:51:45,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:51:45,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852218022] [2024-11-11 20:51:45,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:51:45,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:51:45,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:51:45,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:51:45,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:51:45,109 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 20:51:45,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:51:45,250 INFO L93 Difference]: Finished difference Result 232 states and 300 transitions. [2024-11-11 20:51:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 20:51:45,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-11 20:51:45,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:51:45,254 INFO L225 Difference]: With dead ends: 232 [2024-11-11 20:51:45,254 INFO L226 Difference]: Without dead ends: 155 [2024-11-11 20:51:45,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:51:45,256 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 31 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:51:45,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 264 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:51:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-11 20:51:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-11 20:51:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 131 states have internal predecessors, (160), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-11 20:51:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 194 transitions. [2024-11-11 20:51:45,286 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 194 transitions. Word has length 30 [2024-11-11 20:51:45,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:51:45,286 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 194 transitions. [2024-11-11 20:51:45,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 20:51:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 194 transitions. [2024-11-11 20:51:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-11 20:51:45,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:51:45,288 INFO L218 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, 1] [2024-11-11 20:51:45,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:51:45,289 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:51:45,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:51:45,289 INFO L85 PathProgramCache]: Analyzing trace with hash -474121476, now seen corresponding path program 1 times [2024-11-11 20:51:45,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:51:45,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004834635] [2024-11-11 20:51:45,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:51:45,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:51:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:45,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:51:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:45,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:51:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:51:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:51:45,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:51:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004834635] [2024-11-11 20:51:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004834635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:51:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:51:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:51:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228317727] [2024-11-11 20:51:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:51:45,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:51:45,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:51:45,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:51:45,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:51:45,475 INFO L87 Difference]: Start difference. First operand 155 states and 194 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:51:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:51:45,626 INFO L93 Difference]: Finished difference Result 291 states and 370 transitions. [2024-11-11 20:51:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:51:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 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 34 [2024-11-11 20:51:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:51:45,651 INFO L225 Difference]: With dead ends: 291 [2024-11-11 20:51:45,651 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 20:51:45,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:51:45,654 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 42 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:51:45,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 110 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:51:45,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 20:51:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 20:51:45,661 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) [2024-11-11 20:51:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 20:51:45,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-11 20:51:45,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:51:45,662 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 20:51:45,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:51:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 20:51:45,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 20:51:45,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:51:45,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 20:51:45,676 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-11 20:51:45,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 20:51:46,104 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:51:46,136 WARN L156 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-11 20:51:46,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:51:46 BoogieIcfgContainer [2024-11-11 20:51:46,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:51:46,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:51:46,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:51:46,152 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:51:46,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:51:43" (3/4) ... [2024-11-11 20:51:46,155 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 20:51:46,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-11 20:51:46,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-11 20:51:46,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-11 20:51:46,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-11 20:51:46,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-11 20:51:46,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-11 20:51:46,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-11 20:51:46,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 20:51:46,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:51:46,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:51:46,304 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:51:46,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 20:51:46,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:51:46,306 INFO L158 Benchmark]: Toolchain (without parser) took 3421.12ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 126.3MB in the end (delta: -34.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,307 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:51:46,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.76ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 71.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.21ms. Allocated memory is still 151.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,308 INFO L158 Benchmark]: Boogie Preprocessor took 63.83ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,308 INFO L158 Benchmark]: RCFGBuilder took 472.81ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 67.1MB in the beginning and 153.5MB in the end (delta: -86.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,308 INFO L158 Benchmark]: TraceAbstraction took 2157.55ms. Allocated memory is still 188.7MB. Free memory was 152.4MB in the beginning and 132.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,309 INFO L158 Benchmark]: Witness Printer took 157.10ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 126.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-11 20:51:46,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.76ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 71.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.21ms. Allocated memory is still 151.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.83ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.81ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 67.1MB in the beginning and 153.5MB in the end (delta: -86.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2157.55ms. Allocated memory is still 188.7MB. Free memory was 152.4MB in the beginning and 132.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 157.10ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 126.3MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [271] - GenericResultAtLocation [Line: 637]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [637] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] * 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: 54]: 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 6 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 658 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 371 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 287 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 74]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 665]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 677]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == methaneLevelCritical)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 784]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 145]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 653]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-11 20:51:46,343 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