./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product08.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_spec5_product08.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 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:02:37,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:02:37,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:02:37,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:02:37,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:02:37,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:02:37,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:02:37,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:02:37,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:02:37,621 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:02:37,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:02:37,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:02:37,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:02:37,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:02:37,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:02:37,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:02:37,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:37,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:37,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:37,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:37,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:02:37,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:02:37,626 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 -> 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe [2025-01-09 04:02:37,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:02:37,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:02:37,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:02:37,854 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:02:37,854 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:02:37,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2025-01-09 04:02:39,053 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a299519/8dea8a3ca24841ed87527bddd2d39f9a/FLAGe16e4290e [2025-01-09 04:02:39,406 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:02:39,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2025-01-09 04:02:39,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a299519/8dea8a3ca24841ed87527bddd2d39f9a/FLAGe16e4290e [2025-01-09 04:02:39,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a299519/8dea8a3ca24841ed87527bddd2d39f9a [2025-01-09 04:02:39,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:02:39,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:02:39,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:39,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:02:39,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:02:39,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:39,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf1c33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39, skipping insertion in model container [2025-01-09 04:02:39,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:39,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:02:39,855 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_spec5_product08.cil.c[16885,16898] [2025-01-09 04:02:39,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:39,869 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:02:39,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-01-09 04:02:39,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] [2025-01-09 04:02:39,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] [2025-01-09 04:02:39,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2025-01-09 04:02:39,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] [2025-01-09 04:02:39,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] [2025-01-09 04:02:39,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] [2025-01-09 04:02:39,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] [2025-01-09 04:02:39,926 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_spec5_product08.cil.c[16885,16898] [2025-01-09 04:02:39,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:39,946 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:02:39,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39 WrapperNode [2025-01-09 04:02:39,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:39,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:39,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:02:39,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:02:39,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:39,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:39,994 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 168 [2025-01-09 04:02:39,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:39,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:02:39,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:02:39,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:02:40,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,029 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 04:02:40,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:02:40,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:02:40,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:02:40,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:02:40,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (1/1) ... [2025-01-09 04:02:40,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:02:40,067 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 04:02:40,076 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 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:02:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:02:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:02:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:02:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:02:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-01-09 04:02:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-01-09 04:02:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:02:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:02:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:02:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:02:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:02:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:02:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:02:40,132 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:02:40,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:02:40,304 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2025-01-09 04:02:40,304 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:02:40,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:02:40,321 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:02:40,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:40 BoogieIcfgContainer [2025-01-09 04:02:40,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:02:40,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:02:40,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:02:40,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:02:40,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:02:39" (1/3) ... [2025-01-09 04:02:40,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703739b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:40, skipping insertion in model container [2025-01-09 04:02:40,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:39" (2/3) ... [2025-01-09 04:02:40,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2703739b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:40, skipping insertion in model container [2025-01-09 04:02:40,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:40" (3/3) ... [2025-01-09 04:02:40,328 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2025-01-09 04:02:40,336 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:02:40,337 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product08.cil.c that has 8 procedures, 83 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:02:40,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:02:40,373 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;@3db7aade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:02:40,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:02:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 69 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-09 04:02:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 04:02:40,380 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:40,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:40,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:40,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:40,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1057305672, now seen corresponding path program 1 times [2025-01-09 04:02:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:40,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378126225] [2025-01-09 04:02:40,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:40,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:40,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 04:02:40,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 04:02:40,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:40,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:40,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378126225] [2025-01-09 04:02:40,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378126225] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:40,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:40,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:02:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82498521] [2025-01-09 04:02:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:40,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:40,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:40,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:40,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:40,568 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 69 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:02:40,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:40,597 INFO L93 Difference]: Finished difference Result 145 states and 189 transitions. [2025-01-09 04:02:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:40,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-01-09 04:02:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:40,604 INFO L225 Difference]: With dead ends: 145 [2025-01-09 04:02:40,604 INFO L226 Difference]: Without dead ends: 66 [2025-01-09 04:02:40,606 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 04:02:40,608 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 151 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 04:02:40,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:40,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-01-09 04:02:40,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-01-09 04:02:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 04:02:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2025-01-09 04:02:40,639 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 32 [2025-01-09 04:02:40,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:40,640 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2025-01-09 04:02:40,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:02:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2025-01-09 04:02:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-09 04:02:40,643 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:40,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:40,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:02:40,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:40,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:40,644 INFO L85 PathProgramCache]: Analyzing trace with hash 770504927, now seen corresponding path program 1 times [2025-01-09 04:02:40,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:40,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820867438] [2025-01-09 04:02:40,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:40,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:40,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:02:40,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:02:40,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:40,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:40,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:40,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820867438] [2025-01-09 04:02:40,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820867438] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:40,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:40,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:02:40,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886429172] [2025-01-09 04:02:40,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:40,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:02:40,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:40,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:02:40,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:02:40,848 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:40,915 INFO L93 Difference]: Finished difference Result 170 states and 219 transitions. [2025-01-09 04:02:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:02:40,916 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-01-09 04:02:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:40,921 INFO L225 Difference]: With dead ends: 170 [2025-01-09 04:02:40,921 INFO L226 Difference]: Without dead ends: 112 [2025-01-09 04:02:40,922 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 04:02:40,922 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 72 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 339 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 04:02:40,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 339 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-09 04:02:40,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2025-01-09 04:02:40,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 82 states have (on average 1.329268292682927) internal successors, (109), 91 states have internal predecessors, (109), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2025-01-09 04:02:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 140 transitions. [2025-01-09 04:02:40,933 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 140 transitions. Word has length 37 [2025-01-09 04:02:40,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:40,934 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 140 transitions. [2025-01-09 04:02:40,934 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 140 transitions. [2025-01-09 04:02:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 04:02:40,935 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:40,935 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:02:40,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:02:40,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:40,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1033884065, now seen corresponding path program 1 times [2025-01-09 04:02:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:40,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674078952] [2025-01-09 04:02:40,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:40,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:40,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 04:02:40,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 04:02:40,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:40,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 04:02:41,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:41,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674078952] [2025-01-09 04:02:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674078952] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:41,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:02:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144318622] [2025-01-09 04:02:41,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:41,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:02:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:41,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:02:41,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:02:41,031 INFO L87 Difference]: Start difference. First operand 109 states and 140 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:41,119 INFO L93 Difference]: Finished difference Result 189 states and 248 transitions. [2025-01-09 04:02:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:02:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-01-09 04:02:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:41,121 INFO L225 Difference]: With dead ends: 189 [2025-01-09 04:02:41,121 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:02:41,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:02:41,122 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 53 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:41,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 201 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:02:41,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:02:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:02:41,123 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 04:02:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:02:41,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2025-01-09 04:02:41,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:41,123 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:02:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:02:41,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:02:41,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:02:41,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:02:41,127 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 04:02:41,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:02:41,367 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:02:41,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:02:41 BoogieIcfgContainer [2025-01-09 04:02:41,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:02:41,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:02:41,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:02:41,381 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:02:41,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:40" (3/4) ... [2025-01-09 04:02:41,384 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:02:41,388 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-01-09 04:02:41,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-01-09 04:02:41,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:02:41,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:02:41,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:41,393 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:41,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:02:41,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:02:41,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:02:41,474 INFO L158 Benchmark]: Toolchain (without parser) took 1853.46ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 52.7MB in the end (delta: 54.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2025-01-09 04:02:41,474 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 192.9MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:41,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.21ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 87.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:41,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.84ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:41,474 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:41,475 INFO L158 Benchmark]: RCFGBuilder took 277.42ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 68.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:41,475 INFO L158 Benchmark]: TraceAbstraction took 1056.31ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 60.4MB in the end (delta: 7.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-01-09 04:02:41,475 INFO L158 Benchmark]: Witness Printer took 93.09ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 52.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:41,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 192.9MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.21ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 87.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.84ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.42ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 68.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1056.31ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 60.4MB in the end (delta: 7.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 93.09ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 52.7MB in the end (delta: 7.7MB). 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: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] - GenericResultAtLocation [Line: 479]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] * 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: 850]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 691 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 455 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 236 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 284]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-01-09 04:02:41,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE