./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_spec2_product28.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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:53:04,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:53:04,340 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:53:04,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:53:04,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:53:04,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:53:04,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:53:04,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:53:04,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:53:04,373 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:53:04,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:53:04,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:53:04,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:53:04,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:53:04,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:53:04,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:53:04,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:53:04,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:53:04,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:53:04,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:53:04,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:53:04,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:53:04,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:53:04,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:53:04,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:53:04,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:53:04,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:53:04,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:53:04,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:53:04,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:53:04,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:53:04,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:53:04,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:53:04,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:53:04,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:53:04,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:53:04,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:53:04,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:53:04,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:53:04,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:53:04,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:53:04,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:53:04,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2024-11-11 20:53:04,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:53:04,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:53:04,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:53:04,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:53:04,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:53:04,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2024-11-11 20:53:05,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:53:05,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:53:05,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2024-11-11 20:53:06,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3af3398b/da983e80c27c40a288ce49f0cb715b91/FLAGd35d6084a [2024-11-11 20:53:06,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3af3398b/da983e80c27c40a288ce49f0cb715b91 [2024-11-11 20:53:06,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:53:06,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:53:06,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:53:06,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:53:06,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:53:06,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336a7e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06, skipping insertion in model container [2024-11-11 20:53:06,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:53:06,218 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_spec2_product28.cil.c[2141,2154] [2024-11-11 20:53:06,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:53:06,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:53:06,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-11 20:53:06,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-11 20:53:06,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2024-11-11 20:53:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] [2024-11-11 20:53:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] [2024-11-11 20:53:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] [2024-11-11 20:53:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] [2024-11-11 20:53:06,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2024-11-11 20:53:06,338 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_spec2_product28.cil.c[2141,2154] [2024-11-11 20:53:06,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:53:06,407 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:53:06,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06 WrapperNode [2024-11-11 20:53:06,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:53:06,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:53:06,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:53:06,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:53:06,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,451 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 174 [2024-11-11 20:53:06,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:53:06,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:53:06,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:53:06,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:53:06,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,479 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 20:53:06,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:53:06,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:53:06,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:53:06,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:53:06,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (1/1) ... [2024-11-11 20:53:06,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:53:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:53:06,519 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 20:53:06,522 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 20:53:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:53:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-11 20:53:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-11 20:53:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:53:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:53:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:53:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:53:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-11 20:53:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-11 20:53:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:53:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:53:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-11 20:53:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-11 20:53:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:53:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:53:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:53:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:53:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:53:06,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:53:06,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:53:06,801 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-11 20:53:06,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:53:06,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:53:06,817 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:53:06,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:53:06 BoogieIcfgContainer [2024-11-11 20:53:06,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:53:06,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:53:06,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:53:06,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:53:06,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:53:06" (1/3) ... [2024-11-11 20:53:06,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e69af29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:53:06, skipping insertion in model container [2024-11-11 20:53:06,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:53:06" (2/3) ... [2024-11-11 20:53:06,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e69af29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:53:06, skipping insertion in model container [2024-11-11 20:53:06,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:53:06" (3/3) ... [2024-11-11 20:53:06,824 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2024-11-11 20:53:06,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:53:06,838 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:53:06,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:53:06,885 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;@354daedc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:53:06,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:53:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-11 20:53:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-11 20:53:06,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:53:06,894 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] [2024-11-11 20:53:06,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:53:06,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:53:06,899 INFO L85 PathProgramCache]: Analyzing trace with hash 162761641, now seen corresponding path program 1 times [2024-11-11 20:53:06,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:53:06,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983041311] [2024-11-11 20:53:06,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:53:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:53:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-11 20:53:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,085 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 20:53:07,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:53:07,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983041311] [2024-11-11 20:53:07,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983041311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:53:07,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:53:07,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:53:07,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256821017] [2024-11-11 20:53:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:53:07,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:53:07,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:53:07,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:53:07,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:53:07,108 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 20:53:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:53:07,133 INFO L93 Difference]: Finished difference Result 157 states and 212 transitions. [2024-11-11 20:53:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:53:07,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-11 20:53:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:53:07,157 INFO L225 Difference]: With dead ends: 157 [2024-11-11 20:53:07,157 INFO L226 Difference]: Without dead ends: 74 [2024-11-11 20:53:07,160 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 20:53:07,164 INFO L435 NwaCegarLoop]: 103 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, 103 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 20:53:07,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:53:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-11 20:53:07,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-11 20:53:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 62 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-11 20:53:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2024-11-11 20:53:07,217 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 25 [2024-11-11 20:53:07,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:53:07,217 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2024-11-11 20:53:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 20:53:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-11-11 20:53:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-11 20:53:07,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:53:07,219 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] [2024-11-11 20:53:07,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:53:07,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:53:07,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:53:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1172055592, now seen corresponding path program 1 times [2024-11-11 20:53:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:53:07,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060997967] [2024-11-11 20:53:07,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:53:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:53:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-11 20:53:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,312 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 20:53:07,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:53:07,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060997967] [2024-11-11 20:53:07,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060997967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:53:07,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:53:07,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:53:07,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850190083] [2024-11-11 20:53:07,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:53:07,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:53:07,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:53:07,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:53:07,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:53:07,314 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 20:53:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:53:07,327 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2024-11-11 20:53:07,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:53:07,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-11 20:53:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:53:07,329 INFO L225 Difference]: With dead ends: 108 [2024-11-11 20:53:07,331 INFO L226 Difference]: Without dead ends: 65 [2024-11-11 20:53:07,331 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 20:53:07,332 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 20:53:07,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:53:07,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-11 20:53:07,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-11 20:53:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-11 20:53:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-11 20:53:07,345 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 26 [2024-11-11 20:53:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:53:07,345 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-11 20:53:07,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 20:53:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-11 20:53:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-11 20:53:07,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:53:07,346 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] [2024-11-11 20:53:07,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:53:07,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:53:07,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:53:07,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1670854369, now seen corresponding path program 1 times [2024-11-11 20:53:07,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:53:07,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101082496] [2024-11-11 20:53:07,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:53:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:53:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-11 20:53:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,453 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 20:53:07,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:53:07,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101082496] [2024-11-11 20:53:07,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101082496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:53:07,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:53:07,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:53:07,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91082925] [2024-11-11 20:53:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:53:07,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:53:07,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:53:07,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:53:07,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:53:07,457 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 20:53:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:53:07,494 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2024-11-11 20:53:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:53:07,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2024-11-11 20:53:07,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:53:07,497 INFO L225 Difference]: With dead ends: 177 [2024-11-11 20:53:07,497 INFO L226 Difference]: Without dead ends: 120 [2024-11-11 20:53:07,497 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 20:53:07,498 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 74 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 168 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 20:53:07,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:53:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-11 20:53:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2024-11-11 20:53:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-11 20:53:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions. [2024-11-11 20:53:07,522 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 31 [2024-11-11 20:53:07,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:53:07,523 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 151 transitions. [2024-11-11 20:53:07,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 20:53:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2024-11-11 20:53:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-11 20:53:07,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:53:07,524 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 20:53:07,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:53:07,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:53:07,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:53:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1341399389, now seen corresponding path program 1 times [2024-11-11 20:53:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:53:07,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364900912] [2024-11-11 20:53:07,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:53:07,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:53:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:53:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:53:07,632 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 20:53:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:53:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364900912] [2024-11-11 20:53:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364900912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:53:07,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:53:07,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:53:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281999870] [2024-11-11 20:53:07,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:53:07,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:53:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:53:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:53:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:53:07,634 INFO L87 Difference]: Start difference. First operand 117 states and 151 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 20:53:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:53:07,681 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2024-11-11 20:53:07,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:53:07,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2024-11-11 20:53:07,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:53:07,684 INFO L225 Difference]: With dead ends: 196 [2024-11-11 20:53:07,684 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 20:53:07,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:53:07,686 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 51 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:53:07,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:53:07,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 20:53:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 20:53:07,687 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 20:53:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 20:53:07,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-11 20:53:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:53:07,687 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 20:53:07,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 20:53:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 20:53:07,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 20:53:07,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:53:07,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:53:07,692 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-11 20:53:07,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 20:53:07,917 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:53:07,957 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) [2024-11-11 20:53:07,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:53:07 BoogieIcfgContainer [2024-11-11 20:53:07,964 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:53:07,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:53:07,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:53:07,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:53:07,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:53:06" (3/4) ... [2024-11-11 20:53:07,969 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 20:53:07,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-11 20:53:07,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-11 20:53:07,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-11 20:53:07,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-11 20:53:07,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-11 20:53:07,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-11 20:53:07,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-11 20:53:07,989 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-11 20:53:07,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-11 20:53:07,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 20:53:07,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:53:07,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:53:08,093 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:53:08,094 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 20:53:08,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:53:08,094 INFO L158 Benchmark]: Toolchain (without parser) took 2072.79ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 90.2MB in the beginning and 174.1MB in the end (delta: -84.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,095 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:53:08,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.39ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 116.5MB in the end (delta: -26.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.00ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,096 INFO L158 Benchmark]: Boogie Preprocessor took 34.98ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,096 INFO L158 Benchmark]: RCFGBuilder took 328.85ms. Allocated memory is still 157.3MB. Free memory was 112.3MB in the beginning and 94.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,096 INFO L158 Benchmark]: TraceAbstraction took 1145.42ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 64.2MB in the end (delta: 30.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,097 INFO L158 Benchmark]: Witness Printer took 128.97ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 64.2MB in the beginning and 174.1MB in the end (delta: -109.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-11 20:53:08,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.39ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 116.5MB in the end (delta: -26.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.00ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.98ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.85ms. Allocated memory is still 157.3MB. Free memory was 112.3MB in the beginning and 94.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1145.42ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 64.2MB in the end (delta: 30.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 128.97ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 64.2MB in the beginning and 174.1MB in the end (delta: -109.9MB). Peak memory consumption was 8.6MB. 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,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] - GenericResultAtLocation [Line: 463]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] * 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: 92]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 334 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 404]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 287]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 228]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 130]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 504]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 204]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 142]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 118]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-11 20:53:08,129 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