./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_spec2_product24.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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:00:16,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:00:16,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:00:16,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:00:16,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:00:16,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:00:16,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:00:16,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:00:16,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:00:16,367 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:00:16,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:00:16,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:00:16,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:00:16,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:00:16,368 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:00:16,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:00:16,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:00:16,370 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:00:16,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:00:16,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:00:16,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:00:16,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:00:16,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:00:16,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:00:16,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:00:16,372 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 -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2025-01-09 04:00:16,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:00:16,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:00:16,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:00:16,609 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:00:16,609 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:00:16,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2025-01-09 04:00:17,697 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dedaea6a/c996281f2ac24f59b157ba40e09dc6a7/FLAG549ff2597 [2025-01-09 04:00:17,955 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:00:17,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2025-01-09 04:00:17,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dedaea6a/c996281f2ac24f59b157ba40e09dc6a7/FLAG549ff2597 [2025-01-09 04:00:18,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dedaea6a/c996281f2ac24f59b157ba40e09dc6a7 [2025-01-09 04:00:18,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:00:18,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:00:18,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:00:18,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:00:18,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:00:18,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25938515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18, skipping insertion in model container [2025-01-09 04:00:18,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:00:18,492 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_spec2_product24.cil.c[17451,17464] [2025-01-09 04:00:18,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:00:18,509 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:00:18,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-01-09 04:00:18,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2025-01-09 04:00:18,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] [2025-01-09 04:00:18,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] [2025-01-09 04:00:18,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] [2025-01-09 04:00:18,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] [2025-01-09 04:00:18,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] [2025-01-09 04:00:18,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] [2025-01-09 04:00:18,564 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_spec2_product24.cil.c[17451,17464] [2025-01-09 04:00:18,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:00:18,582 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:00:18,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18 WrapperNode [2025-01-09 04:00:18,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:00:18,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:00:18,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:00:18,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:00:18,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,613 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 191 [2025-01-09 04:00:18,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:00:18,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:00:18,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:00:18,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:00:18,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,631 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 04:00:18,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:00:18,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:00:18,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:00:18,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:00:18,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (1/1) ... [2025-01-09 04:00:18,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:00:18,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:00:18,674 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 04:00:18,676 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 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:00:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:00:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:00:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:00:18,755 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:00:18,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:00:18,984 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-01-09 04:00:18,985 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:00:18,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:00:18,991 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:00:18,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:00:18 BoogieIcfgContainer [2025-01-09 04:00:18,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:00:18,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:00:18,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:00:18,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:00:18,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:00:18" (1/3) ... [2025-01-09 04:00:18,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b49fcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:00:18, skipping insertion in model container [2025-01-09 04:00:18,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:00:18" (2/3) ... [2025-01-09 04:00:18,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b49fcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:00:18, skipping insertion in model container [2025-01-09 04:00:18,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:00:18" (3/3) ... [2025-01-09 04:00:19,000 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2025-01-09 04:00:19,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:00:19,013 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product24.cil.c that has 9 procedures, 92 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:00:19,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:00:19,055 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;@c0ff4e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:00:19,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:00:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 76 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 04:00:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:00:19,067 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:00:19,068 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] [2025-01-09 04:00:19,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:00:19,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:00:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash -918770042, now seen corresponding path program 1 times [2025-01-09 04:00:19,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:00:19,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971225046] [2025-01-09 04:00:19,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:00:19,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:00:19,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:00:19,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:00:19,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:00:19,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:00:19,258 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 04:00:19,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:00:19,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971225046] [2025-01-09 04:00:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971225046] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:00:19,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:00:19,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:00:19,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645007232] [2025-01-09 04:00:19,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:00:19,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:00:19,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:00:19,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:00:19,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:00:19,282 INFO L87 Difference]: Start difference. First operand has 92 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 76 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:00:19,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:00:19,308 INFO L93 Difference]: Finished difference Result 163 states and 217 transitions. [2025-01-09 04:00:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:00:19,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2025-01-09 04:00:19,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:00:19,314 INFO L225 Difference]: With dead ends: 163 [2025-01-09 04:00:19,314 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 04:00:19,316 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 04:00:19,319 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 179 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 04:00:19,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:00:19,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 04:00:19,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-01-09 04:00:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 04:00:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2025-01-09 04:00:19,349 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 25 [2025-01-09 04:00:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:00:19,349 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2025-01-09 04:00:19,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:00:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2025-01-09 04:00:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 04:00:19,352 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:00:19,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:00:19,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:00:19,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:00:19,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:00:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1343305145, now seen corresponding path program 1 times [2025-01-09 04:00:19,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:00:19,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635448900] [2025-01-09 04:00:19,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:00:19,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:00:19,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 04:00:19,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 04:00:19,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:00:19,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:00:19,484 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 04:00:19,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:00:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635448900] [2025-01-09 04:00:19,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635448900] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:00:19,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:00:19,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:00:19,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433775337] [2025-01-09 04:00:19,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:00:19,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:00:19,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:00:19,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:00:19,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:00:19,487 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2025-01-09 04:00:19,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:00:19,544 INFO L93 Difference]: Finished difference Result 184 states and 242 transitions. [2025-01-09 04:00:19,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:00:19,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 [2025-01-09 04:00:19,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:00:19,546 INFO L225 Difference]: With dead ends: 184 [2025-01-09 04:00:19,546 INFO L226 Difference]: Without dead ends: 117 [2025-01-09 04:00:19,547 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 04:00:19,548 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 90 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 376 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 04:00:19,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 376 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:00:19,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-09 04:00:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2025-01-09 04:00:19,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 95 states have internal predecessors, (114), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2025-01-09 04:00:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 149 transitions. [2025-01-09 04:00:19,561 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 149 transitions. Word has length 30 [2025-01-09 04:00:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:00:19,561 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 149 transitions. [2025-01-09 04:00:19,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2025-01-09 04:00:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2025-01-09 04:00:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-09 04:00:19,562 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:00:19,562 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:00:19,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:00:19,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:00:19,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:00:19,563 INFO L85 PathProgramCache]: Analyzing trace with hash 975537876, now seen corresponding path program 1 times [2025-01-09 04:00:19,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:00:19,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677702689] [2025-01-09 04:00:19,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:00:19,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:00:19,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-09 04:00:19,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-09 04:00:19,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:00:19,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:00:19,669 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 04:00:19,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:00:19,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677702689] [2025-01-09 04:00:19,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677702689] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:00:19,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:00:19,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:00:19,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273961324] [2025-01-09 04:00:19,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:00:19,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:00:19,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:00:19,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:00:19,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:00:19,670 INFO L87 Difference]: Start difference. First operand 114 states and 149 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, (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) [2025-01-09 04:00:19,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:00:19,701 INFO L93 Difference]: Finished difference Result 191 states and 254 transitions. [2025-01-09 04:00:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:00:19,701 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, (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 33 [2025-01-09 04:00:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:00:19,701 INFO L225 Difference]: With dead ends: 191 [2025-01-09 04:00:19,701 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:00:19,702 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 04:00:19,703 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:00:19,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 160 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:00:19,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:00:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:00:19,704 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 04:00:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:00:19,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2025-01-09 04:00:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:00:19,704 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:00:19,704 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, (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) [2025-01-09 04:00:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:00:19,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:00:19,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:00:19,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:00:19,708 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 04:00:19,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:00:19,982 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:00:19,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:00:19 BoogieIcfgContainer [2025-01-09 04:00:19,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:00:19,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:00:19,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:00:19,994 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:00:19,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:00:18" (3/4) ... [2025-01-09 04:00:19,997 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:00:20,002 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2025-01-09 04:00:20,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 04:00:20,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:00:20,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:00:20,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:00:20,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:00:20,068 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:00:20,068 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:00:20,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:00:20,069 INFO L158 Benchmark]: Toolchain (without parser) took 1803.24ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 91.0MB in the end (delta: 40.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2025-01-09 04:00:20,069 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:00:20,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.71ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 112.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:00:20,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.93ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:00:20,070 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:00:20,070 INFO L158 Benchmark]: RCFGBuilder took 344.93ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 92.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:00:20,070 INFO L158 Benchmark]: TraceAbstraction took 998.77ms. Allocated memory is still 167.8MB. Free memory was 91.4MB in the beginning and 99.0MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:00:20,070 INFO L158 Benchmark]: Witness Printer took 74.47ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 91.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:00:20,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.71ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 112.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.93ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.93ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 92.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 998.77ms. Allocated memory is still 167.8MB. Free memory was 91.4MB in the beginning and 99.0MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.47ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 91.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] - GenericResultAtLocation [Line: 738]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] - GenericResultAtLocation [Line: 876]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] * 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: 881]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 715 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 452 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 263 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 04:00:20,086 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