./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:01:56,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:01:56,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:01:56,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:01:56,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:01:56,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:01:56,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:01:56,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:01:56,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:01:56,986 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:01:56,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:01:56,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:01:56,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:01:56,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:01:56,987 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:01:56,988 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:56,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:56,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:01:56,988 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e [2025-01-09 04:01:57,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:01:57,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:01:57,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:01:57,216 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:01:57,216 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:01:57,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2025-01-09 04:01:58,427 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5823f7ecf/91e5c0b41f114437b36a2c1c0b76eed9/FLAG07521553a [2025-01-09 04:01:58,733 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:01:58,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2025-01-09 04:01:58,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5823f7ecf/91e5c0b41f114437b36a2c1c0b76eed9/FLAG07521553a [2025-01-09 04:01:59,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5823f7ecf/91e5c0b41f114437b36a2c1c0b76eed9 [2025-01-09 04:01:59,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:01:59,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:01:59,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:59,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:01:59,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:01:59,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec30da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59, skipping insertion in model container [2025-01-09 04:01:59,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:01:59,226 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2025-01-09 04:01:59,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:59,263 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:01:59,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-01-09 04:01:59,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-01-09 04:01:59,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [183] [2025-01-09 04:01:59,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] [2025-01-09 04:01:59,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2025-01-09 04:01:59,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [657] [2025-01-09 04:01:59,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [684] [2025-01-09 04:01:59,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [863] [2025-01-09 04:01:59,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2025-01-09 04:01:59,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:59,311 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:01:59,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59 WrapperNode [2025-01-09 04:01:59,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:59,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:59,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:01:59,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:01:59,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,337 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 169 [2025-01-09 04:01:59,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:59,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:01:59,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:01:59,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:01:59,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,354 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]. [2025-01-09 04:01:59,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:01:59,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:01:59,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:01:59,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:01:59,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (1/1) ... [2025-01-09 04:01:59,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:01:59,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:01:59,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:01:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:01:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:01:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:01:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:01:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:01:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:01:59,469 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:01:59,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:01:59,619 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-01-09 04:01:59,620 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:01:59,629 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:01:59,629 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:01:59,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:59 BoogieIcfgContainer [2025-01-09 04:01:59,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:01:59,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:01:59,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:01:59,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:01:59,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:01:59" (1/3) ... [2025-01-09 04:01:59,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6ed202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:59, skipping insertion in model container [2025-01-09 04:01:59,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:59" (2/3) ... [2025-01-09 04:01:59,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6ed202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:59, skipping insertion in model container [2025-01-09 04:01:59,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:59" (3/3) ... [2025-01-09 04:01:59,638 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2025-01-09 04:01:59,649 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:01:59,652 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product20.cil.c that has 7 procedures, 75 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:01:59,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:01:59,723 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;@e887b65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:01:59,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:01:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.368421052631579) internal successors, (78), 64 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 04:01:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-09 04:01:59,731 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:59,731 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:59,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:59,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:59,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1405948780, now seen corresponding path program 1 times [2025-01-09 04:01:59,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:59,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280681606] [2025-01-09 04:01:59,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:59,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:59,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 04:01:59,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 04:01:59,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:59,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:59,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:59,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280681606] [2025-01-09 04:01:59,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280681606] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:59,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:59,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 04:01:59,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947569050] [2025-01-09 04:01:59,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:59,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:01:59,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:59,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:01:59,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:01:59,884 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.368421052631579) internal successors, (78), 64 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:01:59,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:59,905 INFO L93 Difference]: Finished difference Result 142 states and 191 transitions. [2025-01-09 04:01:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:01:59,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-09 04:01:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:59,911 INFO L225 Difference]: With dead ends: 142 [2025-01-09 04:01:59,912 INFO L226 Difference]: Without dead ends: 66 [2025-01-09 04:01:59,915 INFO L434 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 [2025-01-09 04:01:59,916 INFO L435 NwaCegarLoop]: 94 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, 94 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 [2025-01-09 04:01:59,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-01-09 04:01:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-01-09 04:01:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 04:01:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2025-01-09 04:01:59,944 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 19 [2025-01-09 04:01:59,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:59,944 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2025-01-09 04:01:59,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:01:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2025-01-09 04:01:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-09 04:01:59,948 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:59,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:59,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:01:59,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:59,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 21276440, now seen corresponding path program 1 times [2025-01-09 04:01:59,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:59,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394010027] [2025-01-09 04:01:59,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:59,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 04:01:59,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 04:01:59,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:59,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:02:00,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:00,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394010027] [2025-01-09 04:02:00,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394010027] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:00,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:00,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:02:00,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261567723] [2025-01-09 04:02:00,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:00,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:00,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:00,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:00,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:00,052 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:00,060 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2025-01-09 04:02:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:00,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-09 04:02:00,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:00,065 INFO L225 Difference]: With dead ends: 95 [2025-01-09 04:02:00,065 INFO L226 Difference]: Without dead ends: 58 [2025-01-09 04:02:00,065 INFO L434 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 [2025-01-09 04:02:00,065 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 125 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 [2025-01-09 04:02:00,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:00,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-01-09 04:02:00,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-01-09 04:02:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 51 states have internal predecessors, (60), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-09 04:02:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2025-01-09 04:02:00,074 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 19 [2025-01-09 04:02:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:00,075 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2025-01-09 04:02:00,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2025-01-09 04:02:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-09 04:02:00,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:00,075 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:00,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:02:00,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:00,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2109212704, now seen corresponding path program 1 times [2025-01-09 04:02:00,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:00,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386192924] [2025-01-09 04:02:00,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:00,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:00,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-09 04:02:00,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-09 04:02:00,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:00,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:02:00,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:00,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386192924] [2025-01-09 04:02:00,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386192924] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:00,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:00,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:02:00,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606325637] [2025-01-09 04:02:00,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:00,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:02:00,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:00,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:02:00,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:02:00,238 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:00,306 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2025-01-09 04:02:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:02:00,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-01-09 04:02:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:00,308 INFO L225 Difference]: With dead ends: 146 [2025-01-09 04:02:00,309 INFO L226 Difference]: Without dead ends: 95 [2025-01-09 04:02:00,309 INFO L434 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 [2025-01-09 04:02:00,310 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 67 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:00,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 289 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-01-09 04:02:00,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2025-01-09 04:02:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2025-01-09 04:02:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 120 transitions. [2025-01-09 04:02:00,332 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 120 transitions. Word has length 24 [2025-01-09 04:02:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:00,332 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 120 transitions. [2025-01-09 04:02:00,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2025-01-09 04:02:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-09 04:02:00,333 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:00,333 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:00,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:02:00,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:00,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1850421396, now seen corresponding path program 1 times [2025-01-09 04:02:00,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:00,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736517641] [2025-01-09 04:02:00,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:00,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 04:02:00,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 04:02:00,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:00,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:02:00,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:00,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736517641] [2025-01-09 04:02:00,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736517641] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:00,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:00,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 04:02:00,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802714897] [2025-01-09 04:02:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:00,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 04:02:00,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:00,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 04:02:00,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:02:00,474 INFO L87 Difference]: Start difference. First operand 92 states and 120 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:00,672 INFO L93 Difference]: Finished difference Result 329 states and 459 transitions. [2025-01-09 04:02:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 04:02:00,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-01-09 04:02:00,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:00,674 INFO L225 Difference]: With dead ends: 329 [2025-01-09 04:02:00,674 INFO L226 Difference]: Without dead ends: 244 [2025-01-09 04:02:00,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-09 04:02:00,676 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 137 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:00,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 401 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:02:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-01-09 04:02:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2025-01-09 04:02:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 183 states have (on average 1.349726775956284) internal successors, (247), 206 states have internal predecessors, (247), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (42), 22 states have call predecessors, (42), 31 states have call successors, (42) [2025-01-09 04:02:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 320 transitions. [2025-01-09 04:02:00,697 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 320 transitions. Word has length 27 [2025-01-09 04:02:00,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:00,697 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 320 transitions. [2025-01-09 04:02:00,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,697 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 320 transitions. [2025-01-09 04:02:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-09 04:02:00,698 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:00,698 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:00,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:02:00,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:00,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:00,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1712577329, now seen corresponding path program 1 times [2025-01-09 04:02:00,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:00,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938807638] [2025-01-09 04:02:00,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:00,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-09 04:02:00,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-09 04:02:00,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:00,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:02:00,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:00,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938807638] [2025-01-09 04:02:00,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938807638] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:00,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:00,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 04:02:00,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177926954] [2025-01-09 04:02:00,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:00,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:00,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:00,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:00,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:00,763 INFO L87 Difference]: Start difference. First operand 240 states and 320 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:00,798 INFO L93 Difference]: Finished difference Result 418 states and 570 transitions. [2025-01-09 04:02:00,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:00,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2025-01-09 04:02:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:00,799 INFO L225 Difference]: With dead ends: 418 [2025-01-09 04:02:00,799 INFO L226 Difference]: Without dead ends: 185 [2025-01-09 04:02:00,800 INFO L434 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 [2025-01-09 04:02:00,801 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:00,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:00,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-01-09 04:02:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2025-01-09 04:02:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 143 states have (on average 1.2727272727272727) internal successors, (182), 154 states have internal predecessors, (182), 19 states have call successors, (19), 19 states have call predecessors, (19), 19 states have return successors, (24), 19 states have call predecessors, (24), 19 states have call successors, (24) [2025-01-09 04:02:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2025-01-09 04:02:00,833 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 225 transitions. Word has length 29 [2025-01-09 04:02:00,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:00,834 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 225 transitions. [2025-01-09 04:02:00,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 04:02:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 225 transitions. [2025-01-09 04:02:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-09 04:02:00,835 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:00,836 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:00,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:02:00,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:00,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:00,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1533913685, now seen corresponding path program 1 times [2025-01-09 04:02:00,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:00,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398934078] [2025-01-09 04:02:00,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:00,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:00,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 04:02:00,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 04:02:00,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:00,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-09 04:02:00,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:00,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398934078] [2025-01-09 04:02:00,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398934078] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:02:00,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94352279] [2025-01-09 04:02:00,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:00,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:02:00,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:02:00,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:02:00,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 04:02:01,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 04:02:01,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 04:02:01,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:01,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:01,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 04:02:01,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:02:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 04:02:01,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 04:02:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:02:01,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94352279] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 04:02:01,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 04:02:01,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2025-01-09 04:02:01,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596527862] [2025-01-09 04:02:01,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 04:02:01,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-09 04:02:01,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:01,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-09 04:02:01,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-01-09 04:02:01,325 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-09 04:02:01,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:01,520 INFO L93 Difference]: Finished difference Result 245 states and 302 transitions. [2025-01-09 04:02:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 04:02:01,522 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 52 [2025-01-09 04:02:01,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:01,522 INFO L225 Difference]: With dead ends: 245 [2025-01-09 04:02:01,522 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:02:01,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2025-01-09 04:02:01,523 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 95 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:01,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 325 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:02:01,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:02:01,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:02:01,524 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) [2025-01-09 04:02:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:02:01,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2025-01-09 04:02:01,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:01,524 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:02:01,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-09 04:02:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:02:01,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:02:01,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:02:01,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 04:02:01,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:02:01,731 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 04:02:01,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:02:02,541 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:02:02,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:02:02 BoogieIcfgContainer [2025-01-09 04:02:02,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:02:02,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:02:02,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:02:02,565 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:02:02,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:59" (3/4) ... [2025-01-09 04:02:02,571 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:02:02,575 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-01-09 04:02:02,578 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:02:02,578 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:02:02,578 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:02:02,578 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:02:02,579 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:02:02,582 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 04:02:02,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:02:02,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:02:02,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:02,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:02,698 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:02:02,701 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:02:02,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:02:02,702 INFO L158 Benchmark]: Toolchain (without parser) took 3689.38ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 50.1MB in the end (delta: 55.7MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:02,703 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:02,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.91ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 87.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:02,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.73ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:02,706 INFO L158 Benchmark]: Boogie Preprocessor took 26.55ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:02,706 INFO L158 Benchmark]: RCFGBuilder took 265.05ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 68.4MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:02,707 INFO L158 Benchmark]: TraceAbstraction took 2932.76ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 57.4MB in the end (delta: 11.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2025-01-09 04:02:02,707 INFO L158 Benchmark]: Witness Printer took 136.51ms. Allocated memory is still 142.6MB. Free memory was 57.4MB in the beginning and 50.1MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:02,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.91ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 87.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.73ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.55ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 265.05ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 68.4MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2932.76ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 57.4MB in the end (delta: 11.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 136.51ms. Allocated memory is still 142.6MB. Free memory was 57.4MB in the beginning and 50.1MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [183] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [657] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [684] - GenericResultAtLocation [Line: 863]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [863] * 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: 653]: 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 350 mSDsluCounter, 1283 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 859 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 424 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 SizeOfPredicates, 0 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 44/54 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 924]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel == 1)) || (((pumpRunning == 0) && (2 <= waterLevel)) && (splverifierCounter == 0))) RESULT: Ultimate proved your program to be correct! [2025-01-09 04:02:02,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE