./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product16.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_spec5_product16.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 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:55:39,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:55:39,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:55:39,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:55:39,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:55:39,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:55:39,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:55:39,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:55:39,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:55:39,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:55:39,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:55:39,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:55:39,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:55:39,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:55:39,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:55:39,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:55:39,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:55:39,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:55:39,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:55:39,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:55:39,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:55:39,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:55:39,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:55:39,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:55:39,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:55:39,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:55:39,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:55:39,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:55:39,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:55:39,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:55:39,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:55:39,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:55:39,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:55:39,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:55:39,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:55:39,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:55:39,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:55:39,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:55:39,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:55:39,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:55:39,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:55:39,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:55:39,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 [2024-11-11 20:55:39,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:55:39,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:55:39,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:55:39,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:55:39,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:55:39,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2024-11-11 20:55:41,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:55:41,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:55:41,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2024-11-11 20:55:41,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774dc5b6a/c6f7fb7d04894c4987bd1d345bfe6e9a/FLAGd24ad6bc9 [2024-11-11 20:55:42,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774dc5b6a/c6f7fb7d04894c4987bd1d345bfe6e9a [2024-11-11 20:55:42,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:55:42,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:55:42,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:55:42,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:55:42,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:55:42,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1586ff99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42, skipping insertion in model container [2024-11-11 20:55:42,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:55:42,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2024-11-11 20:55:42,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:55:42,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:55:42,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-11 20:55:42,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [415] [2024-11-11 20:55:42,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] [2024-11-11 20:55:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [572] [2024-11-11 20:55:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2024-11-11 20:55:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [616] [2024-11-11 20:55:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [799] [2024-11-11 20:55:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] [2024-11-11 20:55:42,406 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c[13833,13846] [2024-11-11 20:55:42,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:55:42,436 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:55:42,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42 WrapperNode [2024-11-11 20:55:42,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:55:42,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:55:42,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:55:42,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:55:42,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,475 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 171 [2024-11-11 20:55:42,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:55:42,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:55:42,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:55:42,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:55:42,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,501 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 20:55:42,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:55:42,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:55:42,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:55:42,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:55:42,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (1/1) ... [2024-11-11 20:55:42,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:55:42,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:55:42,540 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 20:55:42,543 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 20:55:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-11 20:55:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-11 20:55:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-11 20:55:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:55:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:55:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:55:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:55:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:55:42,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:55:42,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:55:42,785 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-11 20:55:42,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:55:42,795 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:55:42,796 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:55:42,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:42 BoogieIcfgContainer [2024-11-11 20:55:42,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:55:42,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:55:42,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:55:42,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:55:42,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:55:42" (1/3) ... [2024-11-11 20:55:42,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f420256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:55:42, skipping insertion in model container [2024-11-11 20:55:42,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:42" (2/3) ... [2024-11-11 20:55:42,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f420256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:55:42, skipping insertion in model container [2024-11-11 20:55:42,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:42" (3/3) ... [2024-11-11 20:55:42,804 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2024-11-11 20:55:42,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:55:42,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:55:42,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:55:42,881 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;@25d4e9ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:55:42,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:55:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-11 20:55:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-11 20:55:42,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:42,896 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:42,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash -797081929, now seen corresponding path program 1 times [2024-11-11 20:55:42,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:42,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870797895] [2024-11-11 20:55:42,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:55:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:55:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:43,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:43,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870797895] [2024-11-11 20:55:43,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870797895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:43,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:43,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:55:43,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201866958] [2024-11-11 20:55:43,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:43,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:55:43,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:43,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:55:43,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:55:43,153 INFO L87 Difference]: Start difference. First operand has 89 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:43,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:43,177 INFO L93 Difference]: Finished difference Result 169 states and 224 transitions. [2024-11-11 20:55:43,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:55:43,179 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-11 20:55:43,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:43,185 INFO L225 Difference]: With dead ends: 169 [2024-11-11 20:55:43,187 INFO L226 Difference]: Without dead ends: 80 [2024-11-11 20:55:43,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 20:55:43,193 INFO L435 NwaCegarLoop]: 109 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, 109 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 20:55:43,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:43,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-11 20:55:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-11 20:55:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.271186440677966) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-11 20:55:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2024-11-11 20:55:43,235 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 32 [2024-11-11 20:55:43,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:43,236 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2024-11-11 20:55:43,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2024-11-11 20:55:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-11 20:55:43,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:43,251 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:43,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:55:43,252 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:43,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash -13989471, now seen corresponding path program 1 times [2024-11-11 20:55:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:43,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621296307] [2024-11-11 20:55:43,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:55:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:55:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:43,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:43,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621296307] [2024-11-11 20:55:43,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621296307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:55:43,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486760550] [2024-11-11 20:55:43,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:43,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:55:43,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:43,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:55:43,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:55:43,356 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:43,376 INFO L93 Difference]: Finished difference Result 120 states and 148 transitions. [2024-11-11 20:55:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:55:43,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-11 20:55:43,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:43,378 INFO L225 Difference]: With dead ends: 120 [2024-11-11 20:55:43,378 INFO L226 Difference]: Without dead ends: 71 [2024-11-11 20:55:43,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:55:43,380 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 152 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 20:55:43,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:43,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-11 20:55:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-11 20:55:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-11 20:55:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2024-11-11 20:55:43,390 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 33 [2024-11-11 20:55:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:43,391 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2024-11-11 20:55:43,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-11-11 20:55:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-11 20:55:43,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:43,393 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:43,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:55:43,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:43,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:43,394 INFO L85 PathProgramCache]: Analyzing trace with hash -789144643, now seen corresponding path program 1 times [2024-11-11 20:55:43,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:43,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499938525] [2024-11-11 20:55:43,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:43,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:55:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:55:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:43,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:43,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499938525] [2024-11-11 20:55:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499938525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:43,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:43,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:55:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274966244] [2024-11-11 20:55:43,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:43,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:55:43,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:43,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:55:43,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:55:43,539 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:55:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:43,582 INFO L93 Difference]: Finished difference Result 195 states and 247 transitions. [2024-11-11 20:55:43,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:55:43,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-11 20:55:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:43,584 INFO L225 Difference]: With dead ends: 195 [2024-11-11 20:55:43,584 INFO L226 Difference]: Without dead ends: 132 [2024-11-11 20:55:43,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:55:43,586 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 76 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 178 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 20:55:43,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 178 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-11 20:55:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2024-11-11 20:55:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 105 states have internal predecessors, (123), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-11 20:55:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2024-11-11 20:55:43,603 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 163 transitions. Word has length 38 [2024-11-11 20:55:43,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:43,603 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 163 transitions. [2024-11-11 20:55:43,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:55:43,604 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2024-11-11 20:55:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-11 20:55:43,609 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:43,609 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:43,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:55:43,609 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:43,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash -269047846, now seen corresponding path program 1 times [2024-11-11 20:55:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:43,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106949067] [2024-11-11 20:55:43,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 20:55:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:55:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-11 20:55:43,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:43,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106949067] [2024-11-11 20:55:43,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106949067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:43,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:43,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:55:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133284312] [2024-11-11 20:55:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:43,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:55:43,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:43,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:55:43,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:55:43,728 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:55:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:43,831 INFO L93 Difference]: Finished difference Result 216 states and 277 transitions. [2024-11-11 20:55:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:55:43,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-11 20:55:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:43,832 INFO L225 Difference]: With dead ends: 216 [2024-11-11 20:55:43,832 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 20:55:43,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:55:43,834 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 54 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:55:43,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 205 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:55:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 20:55:43,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 20:55:43,837 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 20:55:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 20:55:43,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-11 20:55:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:43,838 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 20:55:43,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:55:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 20:55:43,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 20:55:43,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:55:43,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:55:43,845 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-11 20:55:43,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 20:55:44,206 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:55:44,229 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 20:55:44,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:55:44 BoogieIcfgContainer [2024-11-11 20:55:44,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:55:44,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:55:44,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:55:44,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:55:44,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:42" (3/4) ... [2024-11-11 20:55:44,236 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-11 20:55:44,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-11 20:55:44,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-11 20:55:44,245 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-11 20:55:44,245 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-11 20:55:44,245 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 20:55:44,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:55:44,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:55:44,358 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:55:44,364 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 20:55:44,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:55:44,365 INFO L158 Benchmark]: Toolchain (without parser) took 2344.63ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 76.5MB in the beginning and 144.7MB in the end (delta: -68.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,365 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:55:44,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.93ms. Allocated memory is still 146.8MB. Free memory was 116.8MB in the beginning and 95.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.24ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 93.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,366 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,366 INFO L158 Benchmark]: RCFGBuilder took 284.28ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 74.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,366 INFO L158 Benchmark]: TraceAbstraction took 1435.00ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 73.5MB in the beginning and 76.6MB in the end (delta: -3.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,366 INFO L158 Benchmark]: Witness Printer took 130.90ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 144.7MB in the end (delta: -68.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-11 20:55:44,370 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 92.3MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.93ms. Allocated memory is still 146.8MB. Free memory was 116.8MB in the beginning and 95.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.24ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 93.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.28ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 74.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1435.00ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 73.5MB in the beginning and 76.6MB in the end (delta: -3.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 130.90ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 144.7MB in the end (delta: -68.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [415] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [572] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [616] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [799] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] * 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: 612]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 644 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 355 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 712]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 895]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 627]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 470]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 883]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 654]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 731]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 720]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && (((((((head == \old(head)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-11 20:55:44,442 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