./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:03:43,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:03:43,978 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:03:43,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:03:43,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:03:44,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:03:44,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:03:44,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:03:44,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:03:44,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:03:44,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:03:44,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:03:44,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:03:44,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:03:44,057 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:03:44,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:03:44,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:03:44,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:03:44,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:03:44,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:03:44,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:03:44,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:03:44,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:03:44,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:03:44,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:03:44,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:03:44,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:03:44,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:03:44,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:03:44,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:03:44,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:03:44,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:03:44,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:03:44,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:03:44,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:03:44,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:03:44,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:03:44,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 [2024-11-22 02:03:44,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:03:44,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:03:44,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:03:44,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:03:44,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:03:44,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2024-11-22 02:03:45,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:03:45,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:03:45,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2024-11-22 02:03:46,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3067eda9a/683a936481c74bd0b8a1b6c7400e2d87/FLAGcd6e9f666 [2024-11-22 02:03:46,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3067eda9a/683a936481c74bd0b8a1b6c7400e2d87 [2024-11-22 02:03:46,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:03:46,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:03:46,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:03:46,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:03:46,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:03:46,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462f6570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46, skipping insertion in model container [2024-11-22 02:03:46,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:03:46,365 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_product27.cil.c[18283,18296] [2024-11-22 02:03:46,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:03:46,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:03:46,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-22 02:03:46,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] [2024-11-22 02:03:46,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [457] [2024-11-22 02:03:46,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [552] [2024-11-22 02:03:46,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [655] [2024-11-22 02:03:46,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [723] [2024-11-22 02:03:46,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [758] [2024-11-22 02:03:46,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945] [2024-11-22 02:03:46,453 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_product27.cil.c[18283,18296] [2024-11-22 02:03:46,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:03:46,498 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:03:46,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46 WrapperNode [2024-11-22 02:03:46,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:03:46,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:03:46,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:03:46,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:03:46,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,544 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 171 [2024-11-22 02:03:46,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:03:46,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:03:46,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:03:46,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:03:46,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,579 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]. [2024-11-22 02:03:46,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:03:46,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:03:46,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:03:46,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:03:46,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (1/1) ... [2024-11-22 02:03:46,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:03:46,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:03:46,634 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) [2024-11-22 02:03:46,638 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 [2024-11-22 02:03:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:03:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-22 02:03:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-22 02:03:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-22 02:03:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-22 02:03:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-22 02:03:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-22 02:03:46,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-22 02:03:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-22 02:03:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-22 02:03:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-22 02:03:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-22 02:03:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-22 02:03:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:03:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-22 02:03:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-22 02:03:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:03:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:03:46,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:03:46,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:03:47,027 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-22 02:03:47,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:03:47,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:03:47,045 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 02:03:47,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:47 BoogieIcfgContainer [2024-11-22 02:03:47,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:03:47,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:03:47,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:03:47,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:03:47,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:03:46" (1/3) ... [2024-11-22 02:03:47,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c30c94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:47, skipping insertion in model container [2024-11-22 02:03:47,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:46" (2/3) ... [2024-11-22 02:03:47,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c30c94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:47, skipping insertion in model container [2024-11-22 02:03:47,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:47" (3/3) ... [2024-11-22 02:03:47,055 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2024-11-22 02:03:47,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:03:47,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:03:47,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:03:47,151 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;@2eecf1b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:03:47,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:03:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 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) [2024-11-22 02:03:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 02:03:47,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:03:47,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:03:47,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:03:47,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:03:47,168 INFO L85 PathProgramCache]: Analyzing trace with hash 116265818, now seen corresponding path program 1 times [2024-11-22 02:03:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:03:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689059064] [2024-11-22 02:03:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:03:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:03:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:03:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:03:47,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:03:47,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689059064] [2024-11-22 02:03:47,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689059064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:03:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:03:47,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:03:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739120582] [2024-11-22 02:03:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:03:47,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:03:47,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:03:47,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:03:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:03:47,425 INFO L87 Difference]: Start difference. First operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 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) [2024-11-22 02:03:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:03:47,453 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2024-11-22 02:03:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:03:47,456 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 [2024-11-22 02:03:47,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:03:47,466 INFO L225 Difference]: With dead ends: 155 [2024-11-22 02:03:47,466 INFO L226 Difference]: Without dead ends: 73 [2024-11-22 02:03:47,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:03:47,475 INFO L432 NwaCegarLoop]: 102 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, 102 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 [2024-11-22 02:03:47,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:03:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-22 02:03:47,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-22 02:03:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.309090909090909) internal successors, (72), 61 states have internal predecessors, (72), 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) [2024-11-22 02:03:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-22 02:03:47,513 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25 [2024-11-22 02:03:47,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:03:47,513 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-22 02:03:47,514 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) [2024-11-22 02:03:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-22 02:03:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 02:03:47,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:03:47,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:03:47,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:03:47,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:03:47,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:03:47,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1218551415, now seen corresponding path program 1 times [2024-11-22 02:03:47,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:03:47,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703354974] [2024-11-22 02:03:47,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:03:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:03:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:03:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:03:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:03:47,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703354974] [2024-11-22 02:03:47,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703354974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:03:47,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:03:47,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:03:47,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385058247] [2024-11-22 02:03:47,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:03:47,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:03:47,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:03:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:03:47,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:03:47,669 INFO L87 Difference]: Start difference. First operand 73 states and 93 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) [2024-11-22 02:03:47,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:03:47,685 INFO L93 Difference]: Finished difference Result 107 states and 135 transitions. [2024-11-22 02:03:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:03:47,686 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 [2024-11-22 02:03:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:03:47,688 INFO L225 Difference]: With dead ends: 107 [2024-11-22 02:03:47,689 INFO L226 Difference]: Without dead ends: 64 [2024-11-22 02:03:47,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:03:47,690 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 [2024-11-22 02:03:47,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:03:47,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-22 02:03:47,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-22 02:03:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 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) [2024-11-22 02:03:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-11-22 02:03:47,701 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2024-11-22 02:03:47,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:03:47,701 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-11-22 02:03:47,701 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) [2024-11-22 02:03:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-22 02:03:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 02:03:47,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:03:47,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:03:47,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:03:47,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:03:47,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:03:47,704 INFO L85 PathProgramCache]: Analyzing trace with hash 603258873, now seen corresponding path program 1 times [2024-11-22 02:03:47,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:03:47,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292877339] [2024-11-22 02:03:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:03:47,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:03:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:03:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:03:47,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:03:47,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292877339] [2024-11-22 02:03:47,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292877339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:03:47,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:03:47,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:03:47,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813183960] [2024-11-22 02:03:47,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:03:47,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:03:47,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:03:47,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:03:47,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:03:47,851 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-22 02:03:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:03:48,022 INFO L93 Difference]: Finished difference Result 218 states and 284 transitions. [2024-11-22 02:03:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:03:48,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2024-11-22 02:03:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:03:48,025 INFO L225 Difference]: With dead ends: 218 [2024-11-22 02:03:48,025 INFO L226 Difference]: Without dead ends: 162 [2024-11-22 02:03:48,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:03:48,027 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 134 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:03:48,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 403 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:03:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-22 02:03:48,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2024-11-22 02:03:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 131 states have internal predecessors, (160), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-22 02:03:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 203 transitions. [2024-11-22 02:03:48,069 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 203 transitions. Word has length 30 [2024-11-22 02:03:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:03:48,069 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 203 transitions. [2024-11-22 02:03:48,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-22 02:03:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 203 transitions. [2024-11-22 02:03:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:03:48,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:03:48,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:03:48,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:03:48,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:03:48,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:03:48,075 INFO L85 PathProgramCache]: Analyzing trace with hash -820315312, now seen corresponding path program 1 times [2024-11-22 02:03:48,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:03:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394629837] [2024-11-22 02:03:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:03:48,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:03:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:03:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:03:48,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:03:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394629837] [2024-11-22 02:03:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394629837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:03:48,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:03:48,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:03:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727661216] [2024-11-22 02:03:48,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:03:48,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:03:48,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:03:48,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:03:48,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:03:48,241 INFO L87 Difference]: Start difference. First operand 156 states and 203 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:03:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:03:48,306 INFO L93 Difference]: Finished difference Result 267 states and 352 transitions. [2024-11-22 02:03:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:03:48,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-22 02:03:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:03:48,307 INFO L225 Difference]: With dead ends: 267 [2024-11-22 02:03:48,307 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 02:03:48,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:03:48,312 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:03:48,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:03:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 02:03:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 02:03:48,314 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) [2024-11-22 02:03:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 02:03:48,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2024-11-22 02:03:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:03:48,315 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 02:03:48,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:03:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 02:03:48,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 02:03:48,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 02:03:48,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:03:48,324 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-22 02:03:48,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 02:03:48,722 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 02:03:48,774 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) [2024-11-22 02:03:48,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:03:48 BoogieIcfgContainer [2024-11-22 02:03:48,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 02:03:48,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 02:03:48,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 02:03:48,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 02:03:48,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:47" (3/4) ... [2024-11-22 02:03:48,790 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 02:03:48,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-22 02:03:48,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-22 02:03:48,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-22 02:03:48,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-22 02:03:48,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-22 02:03:48,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-22 02:03:48,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-22 02:03:48,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-22 02:03:48,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 02:03:48,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 02:03:48,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:03:48,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:03:48,938 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 02:03:48,939 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 02:03:48,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 02:03:48,940 INFO L158 Benchmark]: Toolchain (without parser) took 2910.08ms. Allocated memory is still 192.9MB. Free memory was 126.7MB in the beginning and 160.1MB in the end (delta: -33.3MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,940 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 76.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:03:48,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.05ms. Allocated memory is still 192.9MB. Free memory was 126.5MB in the beginning and 165.0MB in the end (delta: -38.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 192.9MB. Free memory was 165.0MB in the beginning and 162.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,941 INFO L158 Benchmark]: Boogie Preprocessor took 52.49ms. Allocated memory is still 192.9MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,941 INFO L158 Benchmark]: RCFGBuilder took 445.19ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 143.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,942 INFO L158 Benchmark]: TraceAbstraction took 1737.37ms. Allocated memory is still 192.9MB. Free memory was 142.2MB in the beginning and 75.5MB in the end (delta: 66.7MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,942 INFO L158 Benchmark]: Witness Printer took 154.35ms. Allocated memory is still 192.9MB. Free memory was 75.5MB in the beginning and 160.1MB in the end (delta: -84.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-22 02:03:48,943 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 76.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.05ms. Allocated memory is still 192.9MB. Free memory was 126.5MB in the beginning and 165.0MB in the end (delta: -38.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 192.9MB. Free memory was 165.0MB in the beginning and 162.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.49ms. Allocated memory is still 192.9MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.19ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 143.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1737.37ms. Allocated memory is still 192.9MB. Free memory was 142.2MB in the beginning and 75.5MB in the end (delta: 66.7MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * Witness Printer took 154.35ms. Allocated memory is still 192.9MB. Free memory was 75.5MB in the beginning and 160.1MB in the end (delta: -84.6MB). Peak memory consumption was 10.5MB. 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,"Specification2_spec.i","") [415] - GenericResultAtLocation [Line: 457]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [457] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [552] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [655] - GenericResultAtLocation [Line: 723]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [723] - GenericResultAtLocation [Line: 758]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [758] - GenericResultAtLocation [Line: 945]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945] * 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: 950]: 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, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 792 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 464 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 328 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 847]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((head == \old(head)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 788]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((((head == \old(head)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 490]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 764]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 555]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 502]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((head == \old(head)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 478]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 02:03:48,966 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